CK-12 Foundation
Ck 12: Physical Science: Why Earth Is a Magnet
[Free Registration/Login may be required to access all resource tools.] Why the Earth is a magnet and how its inner structure relates to its magnetic field.
CK-12 Foundation
Ck 12: Physical Science: Heat Conduction
[Free Registration/Login may be required to access all resource tools.] Investigates what conduction is, how it works, and gives examples of conduction.
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Ck 12: Physical Science: Static Electricity and Static Discharge
[Free Registration/Login may be required to access all resource tools.] What static electricity and static discharge are, and how lightning occurs.
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Ck 12: Physical Science: Mechanical Wave
[Free Registration/Login may be required to access all resource tools.] What a mechanical wave is and what it travels through, and different types of mechanical waves.
CK-12 Foundation
Ck 12: Physical Science: Chemical Properties of Matter
[Free Registration/Login may be required to access all resource tools.] Definition of chemical property and examples of the chemical properties of matter.
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Ck 12: Physical Science: Intensity and Loudness of Sound
[Free Registration/Login may be required to access all resource tools.] Discusses the intensity of sound and how it relates to loudness, the decibel levels of different sounds, and factors that affect sound intensity.
CK-12 Foundation
Ck 12: Physical Science: Series and Parallel Circuits
[Free Registration/Login may be required to access all resource tools.] What series and parallel circuits are and how they differ.
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Ck 12: Physical Science: Using Earth's Magnetic Field
[Free Registration/Login may be required to access all resource tools.] The Earth's magnetic field and how it protects life on Earth, and how it is used for navigation.
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Ck 12: Physical Science: Transfer of Electric Charge
[Free Registration/Login may be required to access all resource tools.] Transfer of electric charge: transfer of electrons, conservation of charge and three ways electric charge can be transferred.
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Ck 12: Physical Science: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] Covers what electromagnetic induction is, how it occurs, the current produced from it, and how it is used.
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Ck 12: Physical Science: Visible Light and Matter
[Free Registration/Login may be required to access all resource tools.] How visible light interacts with matter and classifying matter in terms of light.
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Ck 12: Physical Science: Magnetic Field Reversal
[Free Registration/Login may be required to access all resource tools.] Discusses what a magnetic field reversal is and the evidence that this has happened with the Earth.
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Ck 12: Physical Science: Wave Interactions
[Free Registration/Login may be required to access all resource tools.] Ways that waves can interact with matter and examples.
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Ck 12: Physical Science: Chemical Change
[Free Registration/Login may be required to access all resource tools.] Definition of chemical change and examples, signs of chemical change and how it can be reversed.
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Ck 12: Physical Science: Potential Energy
[Free Registration/Login may be required to access all resource tools.] Definition of potential energy, gravitational potential energy, elastic potential energy and other forms of potential energy.
CK-12 Foundation
Ck 12: Physical Science: Thermal Energy
[Free Registration/Login may be required to access all resource tools.] What thermal energy is and how it relates to temperature and mass.
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Ck 12: Physical Science: Speed of Sound
[Free Registration/Login may be required to access all resource tools.] What the speed of sound is and its variation in different media, and the effect of temperature on the speed of sound.
CK-12 Foundation
Ck 12: Physical Science: Orbital Motion
[Free Registration/Login may be required to access all resource tools.] Orbital motion and why it occurs, and the orbits of the Earth around the sun and the moon around the Earth.
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Ck 12: Physical Science: Temperature
[Free Registration/Login may be required to access all resource tools.] Definition of temperature, how it is measured and the three temperature scales.
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Ck 12: Physical Science: Radio Waves
[Free Registration/Login may be required to access all resource tools.] Radio waves and how they are used for AM and FM radio and television.
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Ck 12: Physical Science: Law of Reflection
[Free Registration/Login may be required to access all resource tools.] Reflection and how it produces an image, regular and diffuse reflection and the law of reflection.
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Ck 12: Physical Science: Convection
[Free Registration/Login may be required to access all resource tools.] Definition of convection, how it occurs, and examples of convection.
CK-12 Foundation
Ck 12: Physical Science: Gravity
[Free Registration/Login may be required to access all resource tools.] Definition of gravity and how it relates to weight. Includes a video. [3:54]
CK-12 Foundation
Ck 12: Physical Science: Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Explains what an electric circuit is, its different parts, and how to represent it using a circuit diagram.