Professor Summer Ebs combines her education and teaching experience to create a Physical Science course geared towards middle school, but which is also appropriate for high school students. In the Physical Science course, Professor Ebs guides students through Chemistry and Physics lessons focusing on important concepts and diagrams, before finishing with many extra examples. The course covers subjects such as Heat, the Periodic Table, Chemical Reactions, Motion, and Forces. Professor Summer Ebs earned her Master's Degree in Science Education and has been teaching Physical Science for over 10 years.
| I. Chemistry |
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Properties of Matter |
30:50 |
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Intro |
0:00 | |
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Matter |
0:07 | |
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| Matter |
0:08 | |
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| Substance, Element, and Compound |
0:47 | |
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| Homogeneous and Heterogeneous Mixture |
1:47 | |
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| Suspension, Colloid, and Solution |
3:16 | |
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Physical Properties |
5:25 | |
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| Appearance: Color, Shape, Size, Density, and State of Matter |
5:26 | |
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| Behavior: Viscosity, Magnetism, Malleability, and Ductility |
8:00 | |
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Physical Changes |
10:29 | |
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| Physical Changes |
10:30 | |
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Chemical Properties |
14:38 | |
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| Chemical Properties |
14:39 | |
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Chemical Changes |
16:35 | |
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| Chemical Changes |
16:36 | |
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| Signs of Chemical Change |
16:55 | |
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Example 1: Identify the Mixtures Listed |
19:21 | |
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Example 2: Physical or Chemical Change? |
23:38 | |
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Example 3: How Can You Separate a Mixture of Sand, Gravel, Iron, Filings, Salt, and Water? |
25:04 | |
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Example 4: Physical/Chemical Property and Change |
27:27 | |
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Energy |
53:22 |
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Intro |
0:00 | |
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Energy |
0:03 | |
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| Energy Overview |
0:04 | |
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Potential Energy |
1:48 | |
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| Potential Energy |
1:49 | |
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| Mechanical (Elastic) Potential Energy |
1:54 | |
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| Chemical Potential Energy |
3:15 | |
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| Nuclear Energy |
4:06 | |
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| Gravitational Potential Energy |
4:43 | |
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Kinetic Energy |
7:34 | |
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| Kinetic Energy |
7:35 | |
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| Thermal Energy |
8:03 | |
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| Radiant Energy |
8:57 | |
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| Electrical Energy |
9:47 | |
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| Sound |
10:17 | |
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| Motion |
10:54 | |
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| Kinetic Energy: Example |
11:31 | |
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Law of Conservation of Energy |
12:47 | |
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| Law of Conservation of Energy |
12:48 | |
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| Electrical to Radiant |
13:21 | |
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| Chemical to Thermal |
14:34 | |
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| Potential to Kinetic |
15:10 | |
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| Friction |
18:48 | |
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Energy Resources |
20:06 | |
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| Nonrenewable: Fossil Fuels |
20:51 | |
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| Nonrenewable: Nuclear |
21:56 | |
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| Renewable: Solar |
26:50 | |
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| Renewable: Wind |
29:22 | |
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| Renewable: Tidal |
31:10 | |
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| Renewable: Hydroelectric |
32:30 | |
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| Renewable: Geothermal |
35:24 | |
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Example 1: Gravitational Potential Energy |
38:40 | |
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Example 2: Kinetic Energy |
42:20 | |
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Example 3: Maximum and Minimum Potential and Kinetic Energy |
44:48 | |
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Example 4: Should We Use Renewable or Nonrenewable Resources to Generate Electricity? |
46:31 | |
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Heat and States of Matter |
48:48 |
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Intro |
0:00 | |
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Temperature |
0:04 | |
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| Temperature |
0:05 | |
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| Fahrenheit to Celsius |
2:15 | |
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| Celsius to Fahrenheit |
4:29 | |
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| Kelvins to Celsius and Celsius to Kelvins |
5:50 | |
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Thermal Energy |
8:06 | |
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| Thermal Energy, Kinetic Energy, and Potential Energy |
8:07 | |
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| Changing Thermal Energy: Temperature |
9:11 | |
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| Changing Thermal Energy: State of Matter |
9:37 | |
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| Changing Thermal Energy: Amount of Matter |
10:12 | |
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Heat |
10:59 | |
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| Heat |
11:00 | |
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| Specific Heat |
12:21 | |
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Transfer of Thermal Energy |
15:15 | |
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| Conduction |
15:16 | |
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| Convection |
16:43 | |
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| Radiation |
19:57 | |
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States of Matter |
20:43 | |
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| Solids: Arrangement of Atoms, Shape, Volume, and Molecular Motion |
21:35 | |
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| Liquids: Arrangement of Atoms, Shape, Volume, and Molecular Motion |
23:49 | |
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| Gases: Arrangement of Atoms, Shape, Volume, and Molecular Motion |
25:33 | |
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| Plasma: Arrangement of Atoms, Shape, Volume, and Molecular Motion |
27:02 | |
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Changing States of Matter |
27:49 | |
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| Melting |
27:50 | |
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| Freezing |
28:15 | |
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| Vaporization |
29:04 | |
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| Boiling |
29:17 | |
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| Condensation |
31:21 | |
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| Temperature and Time Graph |
32:18 | |
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Thermal Expansion |
36:19 | |
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| Thermal Expansion of Solids |
37:16 | |
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| Thermal Expansion of Liquids |
38:17 | |
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| Thermal Expansion of Gases |
39:46 | |
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Example 1: Converting Temperatures |
40:28 | |
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Example 2: Thermal Energy |
43:35 | |
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Example 3: Quick Matching |
44:58 | |
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Example 4: Why Does It Feel Cold When You Put Your Hand On the Table? |
45:50 | |
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Example 5: Heat Transfer |
46:48 | |
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Example 6: Changing States of Matter |
47:29 | |
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Atoms and Elements |
30:12 |
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Intro |
0:00 | |
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Atoms |
0:05 | |
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| Atoms |
0:06 | |
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Atomic Structure |
1:01 | |
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| Electron Cloud |
1:02 | |
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| Nucleus, Protons, and Neutrons |
1:43 | |
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| Quarks |
2:07 | |
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Protons, Neutrons, Electrons |
2:40 | |
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| Protons, Neutrons, Electrons: Location |
2:42 | |
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| Protons, Neutrons, Electrons: Electric Charge |
3:05 | |
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| Examples |
4:10 | |
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Electron Configuration |
5:32 | |
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| Electron Configuration |
5:33 | |
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Elements |
12:22 | |
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| Atomic Number |
13:05 | |
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| Carbon |
13:15 | |
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| Oxygen |
14:49 | |
| | |
| Important Elements for Living Things |
16:25 | |
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Isotopes |
17:04 | |
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| Isotopes |
17:05 | |
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Example 1: Atomic Structure and Electrical Charge |
21:16 | |
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Example 2: Electron Configuration |
23:13 | |
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Example 3: Electron Configuration |
24:57 | |
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Example 4: Use the Periodic Table to Complete the Table Below |
26:08 | |
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Periodic Table |
47:23 |
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Intro |
0:00 | |
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Periodic Table |
0:06 | |
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| Atomic Number, Chemical Symbol, and Atomic Mass |
0:07 | |
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Groups and Periods |
4:14 | |
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| Groups and Periods |
4:15 | |
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Electron Dot Diagrams |
10:05 | |
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| Electron Dot Diagrams |
10:06 | |
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Ion Formation |
19:09 | |
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| An Ion Forms When an Atom Gains or Loses Electrons |
19:10 | |
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| A Positive Ion Forms When an Atom Loses and Electron |
20:25 | |
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| A Negative Ion Forms When an Atom Gains an Electron |
26:49 | |
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Oxidation Numbers |
28:51 | |
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| Oxidation Numbers |
28:52 | |
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Metals, Nonmetals, Metalloids |
34:52 | |
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| Metals, Nonmetals, Metalloids |
34:53 | |
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Example 1: Group and Period |
37:39 | |
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Example 2: Electron Dot Diagrams |
39:50 | |
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Example 3: How do Fluorine and Calcium Become Ions? |
42:10 | |
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Example 4: What Are 2 Ways to Find the Oxidation Number of Sodium? |
44:58 | |
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Chemical Bonding, Part I |
51:06 |
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Intro |
0:00 | |
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Chemical Bonds Form Compounds |
0:17 | |
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| Atoms and Electrons |
0:18 | |
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| H2O |
2:14 | |
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| HCl |
3:36 | |
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| C6H12O6 |
4:16 | |
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| Ca(NO3)2 |
5:06 | |
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| Review: Dot Diagrams |
7:10 | |
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| Review: Ion Formation |
8:30 | |
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Ionic Bond |
9:57 | |
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| Ionic Bond |
9:58 | |
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| Sodium and Fluorine |
10:41 | |
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| Magnesium and Chlorine |
16:30 | |
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Covalent Bond |
22:19 | |
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| Covalent Bond |
22:20 | |
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| Hydrogen and Carbon |
23:58 | |
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| Hydrogen and Oxygen |
27:28 | |
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Multiple Covalent Bonds |
29:03 | |
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| Single Covalent Bond |
29:04 | |
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| Double Covalent Bond |
29:40 | |
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| Triple Covalent Bond |
31:50 | |
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Polar and Nonpolar Molecules |
33:33 | |
| | |
| Polar Molecules |
33:34 | |
| | |
| Unequal sharing of Electrons and Electronegativities |
35:02 | |
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| Nonpolar Molecules |
37:46 | |
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Example 1: Elements and Atoms |
38:42 | |
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Example 2: Dot Diagram of the Bond That Forms Between Magnesium and Oxygen |
41:17 | |
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Example 3: Dot Diagram of the Bond That Forms Between Nitrogen and Oxygen |
45:24 | |
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Example 4: Polar or Nonpolar? |
47:22 | |
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Chemical Bonding, Part 2 |
56:22 |
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Intro |
0:00 | |
| | |
Bonding Atoms Make Compounds |
0:05 | |
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| Binary Compounds |
0:06 | |
| | |
| Reviwew: Oxidation Number |
1:14 | |
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Naming Ionic Compounds |
1:45 | |
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| Naming Ionic Compounds |
1:46 | |
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| NaCl |
2:26 | |
| | |
| MgCl2 |
5:04 | |
| | |
| Al2S3 |
6:52 | |
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Writing Formulas of Ionic Compounds |
10:03 | |
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| Writing Formulas of Ionic Compounds |
10:04 | |
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| Beryllium Fluoride |
10:17 | |
| | |
| Lithium Nitride |
12:24 | |
| | |
| Calcium Bromide |
13:53 | |
| | |
Polyatomic Ions |
15:31 | |
| | |
| Polyatomic Ions |
15:32 | |
| | |
| Ammonium Phosphate |
17:21 | |
| | |
| Aluminum Hydroxide |
19:37 | |
| | |
| Magnesium Chlorate |
20:54 | |
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| NaOH |
21:47 | |
| | |
| (NH4)2O |
22:17 | |
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| Mg(NO3)2 |
22:56 | |
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Special Ions |
23:28 | |
| | |
| Iron (III) Iodide |
24:28 | |
| | |
| Lead (IV) Chloride |
26:30 | |
| | |
| Chromium (III) Oxide |
27:31 | |
| | |
| Fe3P2 |
29:18 | |
| | |
| CuI2 |
31:51 | |
| | |
| PbBr2 |
33:04 | |
| | |
Naming Covalent Compounds |
33:57 | |
| | |
| Naming Covalent Compounds |
33:58 | |
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| Examples |
35:03 | |
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Ionic or Covalent? |
39:50 | |
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| Ionic vs. Covalent: Electron |
39:51 | |
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| Ionic vs. Covalent: State At Room Temperature |
10:23 | |
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| Ionic vs. Covalent: Metal, Nonmetal, Metalloids |
41:02 | |
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| Ionic vs. Covalent: Naming |
41:35 | |
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Example 1: Write the Names or Formulas for Each Ionic Compound |
42:50 | |
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Example 2: Write the Names or Formulas for Each Covalent Compound |
46:13 | |
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Example 3: Name the Following Ionic Compounds |
49:44 | |
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Example 4: Provide the Formulas for the Following Ionic Compounds |
52:19 | |
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Example 5: Ionic or Covalent? |
54:21 | |
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Chemical Reactions |
49:13 |
| | |
Intro |
0:00 | |
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Chemical Reactions |
0:05 | |
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| Chemical Reactions |
0:06 | |
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| Chemical Formula Example |
0:54 | |
| | |
| Reactants and Products |
3:50 | |
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Conservation of Mass |
4:58 | |
| | |
| The Total Mass of the Reactant Must Equal the Total Mass of the Products |
4:59 | |
| | |
| Balancing Chemical Equations |
6:42 | |
| | |
Balancing Equations |
11:12 | |
| | |
| Example 1: Balancing Equations |
11:27 | |
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| Example 2: Balancing Equations |
14:15 | |
| | |
| Example 3: Balancing Equations |
16:28 | |
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Types of Reactions |
19:17 | |
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| Synthesis |
19:18 | |
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| Decomposition |
20:09 | |
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| Single-Displacement |
20:54 | |
| | |
| Double-Displacement |
22:12 | |
| | |
| Combustion |
23:34 | |
| | |
Energy in Chemical Reactions |
24:41 | |
| | |
| Chemical Reactions and Activation Energy |
24:42 | |
| | |
| Endergonic Reactions |
25:55 | |
| | |
| Exergonic Reactions |
27:51 | |
| | |
Rate of Chemical Reactions |
29:42 | |
| | |
| Rate of Chemical Reactions Overview |
29:43 | |
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| Temperature |
30:51 | |
| | |
| Concentration |
31:26 | |
| | |
| Agitation |
32:08 | |
| | |
| Surface Area |
32:29 | |
| | |
| Pressure |
33:06 | |
| | |
| Catalysts and Inhibitors |
33:18 | |
| | |
Example 1: Translate Into Chemical Equations |
34:32 | |
| | |
Example 2: Law of Conservation of Mass |
37:35 | |
| | |
Example 3: Balance the Following Equations |
40:33 | |
| | |
Example 4: Math Each Equation With the Correct Type of Reaction |
44:58 | |
| | |
Example 5: Exothermic or Endothermic Reaction? |
48:21 | |
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Solutions, Acids, and Bases |
29:00 |
| | |
Intro |
0:00 | |
| | |
Solutions |
0:06 | |
| | |
| Definition of Solution |
0:07 | |
| | |
| Solute and Solvent |
0:26 | |
| | |
| Example: Salt Water |
0:35 | |
| | |
| Example: Carbonated Water |
1:03 | |
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Dissolving |
1:49 | |
| | |
| Dissolving |
1:50 | |
| | |
| Example: Liquid Dissolves a Solid at the Surface of the Solid |
3:54 | |
| | |
| Aqueous Solutions: Water as Solvent |
4:42 | |
| | |
Increasing the Rate of Dissolving |
5:33 | |
| | |
| Stir |
5:34 | |
| | |
| Crush |
6:37 | |
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| Heat |
7:36 | |
| | |
Solubility |
8:31 | |
| | |
| Definition of Solubility |
8:32 | |
| | |
| Compare the Solubility of Sugar in Water vs. Salt in Water |
8:44 | |
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| Factors that Affect Solubility |
11:45 | |
| | |
Concentration |
12:45 | |
| | |
| Concentration |
12:46 | |
| | |
pH Scale |
15:21 | |
| | |
| pH Scale: Acids, Neutral, and Bases |
15:22 | |
| | |
Acids and Bases |
18:01 | |
| | |
| Chemical Properties |
18:02 | |
| | |
| Physical Properties |
18:43 | |
| | |
| pH Scale |
19:31 | |
| | |
| Examples of Acids and Bases |
19:36 | |
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| Acids and Bases React Together to Form Salt and Water |
20:09 | |
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Example 1: Identify the Solutes and Solvents for the Following Solutions |
21:26 | |
| | |
Example 2: Temperature and the Rate of Dissolving/Solubility of a Solid |
23:57 | |
| | |
Example 3: How Can You Make a Solution Have a Higher Concentration? |
25:44 | |
| | |
Example 4: Acids and Bases |
27:57 | |
| II. Physics |
| |
Waves |
42:35 |
| | |
Intro |
0:00 | |
| | |
Waves |
0:05 | |
| | |
| Introduction to Waves |
0:06 | |
| | |
| Mechanical Waves |
1:24 | |
| | |
| Electromagnetic Waves |
1:50 | |
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Mechanical Waves |
2:13 | |
| | |
| Transverse |
2:14 | |
| | |
| Longitudinal (Compressional Waves) |
4:00 | |
| | |
Properties of Waves |
7:26 | |
| | |
| Transverse and Compressional Waves: Wavelength |
7:27 | |
| | |
| Transverse and Compressional Waves: Frequency (Hz) |
9:32 | |
| | |
| Transverse and Compressional Waves: Amplitude |
11:30 | |
| | |
| Wavelength and Frequency are Related |
13:40 | |
| | |
Wave Speeds |
15:01 | |
| | |
| Wave Speeds |
15:02 | |
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Behavior of Waves |
18:06 | |
| | |
| Reflection |
18:33 | |
| | |
| Refraction |
22:42 | |
| | |
| Diffraction |
24:25 | |
| | |
Electromagnetic Waves |
26:00 | |
| | |
| Electromagnetic Waves |
26:01 | |
| | |
Visible Light |
30:49 | |
| | |
| Visible Light |
30:50 | |
| | |
| Opaque |
34:25 | |
| | |
| Translucent |
34:54 | |
| | |
| Transparent |
35:41 | |
| | |
Example 1: Label the Transverse Wave |
36:59 | |
| | |
Example 2: Label the Compressional Wave |
38:13 | |
| | |
Example 3: What Happens to the Frequency of a Wave as the Wavelength Increases? |
39:12 | |
| | |
Example 4: Law of Reflection and Light Wave |
40:48 | |
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Motion |
37:21 |
| | |
Intro |
0:00 | |
| | |
Distance vs. Displacement |
0:04 | |
| | |
| Distance |
0:05 | |
| | |
| Displacement |
0:49 | |
| | |
Speed |
4:47 | |
| | |
| Speed |
4:48 | |
| | |
| Instantaneous Speed |
6:14 | |
| | |
| Average Speed |
6:40 | |
| | |
| Velocity |
7:25 | |
| | |
Distance-Time Graphs |
8:21 | |
| | |
| Distance-Time Graphs |
8:22 | |
| | |
Acceleration |
13:38 | |
| | |
| Acceleration Definition |
13:39 | |
| | |
| Acceleration Equation |
15:23 | |
| | |
| Positive Acceleration |
18:43 | |
| | |
| Negative Acceleration |
18:52 | |
| | |
Speed-Time Graphs |
20:56 | |
| | |
| Speed-Time Graphs |
20:57 | |
| | |
Example 1: Displacement, Distance, and Average Speed |
25:15 | |
| | |
Example 2: Velocities |
28:02 | |
| | |
Example 3: Acceleration |
28:59 | |
| | |
Example 4: Distance and Time |
30:19 | |
| | |
Example 5: Speed and Time |
34:08 | |
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Forces |
35:03 |
| | |
Intro |
0:00 | |
| | |
Force |
0:04 | |
| | |
| Force Definition |
0:05 | |
| | |
| Net Force |
1:44 | |
| | |
| Balanced Forces |
3:06 | |
| | |
| Unbalanced Forces |
4:23 | |
| | |
| Forces Examples |
5:09 | |
| | |
Friction |
7:53 | |
| | |
| Friction Definition |
7:54 | |
| | |
| Static Friction |
8:23 | |
| | |
| Sliding Friction |
9:35 | |
| | |
| Rolling Friction |
10:11 | |
| | |
| Fluid Friction |
11:13 | |
| | |
| Air Resistance |
12:10 | |
| | |
Newton's Laws of Motion |
14:06 | |
| | |
| First Law of Motion |
14:07 | |
| | |
| Inertia |
15:56 | |
| | |
Newton's Laws Continued |
17:13 | |
| | |
| Second Law of Motion |
17:14 | |
| | |
| Third Law of Motion |
18:35 | |
| | |
Gravitational Force |
24:17 | |
| | |
| Gravity and Gravitational Force |
24:18 | |
| | |
Example 1: Horizontal Force, Frictional Force, and Net Force |
28:36 | |
| | |
Example 2: Net Force and Acceleration |
29:38 | |
| | |
Example 3: Gravitational Force |
30:35 | |
| | |
Example 4: Force of Air Resistance and Net Force |
32:32 | |
| |
Density & Buoyancy |
23:43 |
| | |
Intro |
0:00 | |
| | |
Density |
0:05 | |
| | |
| Definition of Density |
0:06 | |
| | |
| Density = Mass / Volume |
1:01 | |
| | |
Density of Irregular Objects |
3:58 | |
| | |
| Density of Irregular Objects |
3:59 | |
| | |
Buoyant Force |
7:46 | |
| | |
| Buoyancy |
7:47 | |
| | |
| Archimedes' Principle |
9:23 | |
| | |
Floating and Sinking |
12:47 | |
| | |
| Floating and Sinking: Looking at Density |
12:48 | |
| | |
Example 1: Density of an Object |
16:15 | |
| | |
Example 2: Density of Yourself |
17:28 | |
| | |
Example 3: Using Archimedes' Principle to Predict If an Object Will Sink or Float in Water |
19:38 | |
| | |
Example 4: Will Aluminum, Gold, and Oil Float or Sink When Placed Into Water? |
22:06 | |