CK-12 Foundation
Ck 12: Physical Science: Scientific Graphing
[Free Registration/Login may be required to access all resource tools.] Usefulness and types of graphs.
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Ck 12: Physical Science: Electrons
[Free Registration/Login may be required to access all resource tools.] Explores electrons and their place in atoms.
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Ck 12: Physical Science: Nature of Science
[Free Registration/Login may be required to access all resource tools.] Definition and goal of science and how science advances.
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Ck 12: Physical Science: Chemical Reaction Overview
[Free Registration/Login may be required to access all resource tools.] Explains chemical property and chemical reaction.
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Ck 12: Third Grade Science: Physical Science: Static Electricity
[Free Registration/Login may be required to access all resource tools.] Discusses electric charge and electric force, and identifies ways that electric charge is transferred.
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Ck 12: Third Grade Science: Physical Science: Magnets
[Free Registration/Login may be required to access all resource tools.] Looks at the properties of magnets and explains why some materials are magnetic and how magnets can cause change without touching another object.
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Ck 12: Third Grade Science: Physical Science: Gravity
[Free Registration/Login may be required to access all resource tools.] Provides the definition of gravity and how it relates to weight.
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Ck 12: Third Grade Science: Physical Science: Friction
[Free Registration/Login may be required to access all resource tools.] Describes friction and how it opposes motion, and identifies types of friction.
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Ck 12: Third Grade Science: Physical Science: Forces
[Free Registration/Login may be required to access all resource tools.] This resource gives the definition of force and provides examples. It also describes how forces combine and affect motion.
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Ck 12: Fifth Grade Science: Physical Science: Types of Matter
[Free Registration/Login may be required to access all resource tools.] Discusses elements, atoms, compounds, molecules, and crystals. Looks at mixture and different types of them.
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Ck 12: Fifth Grade Science: Physical Science: Solids, Liquids, and Gases
[Free Registration/Login may be required to access all resource tools.] Explains how to describe matter in the solid state, about the properties of liquid matter and gases, and what the relationship between energy and states of matter is.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Matter, Mass, and Volume
This learning module discusses the definition of matter and what mass and volume measure. Module includes pictures, videos, and review questions.
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Ck 12: Fifth Grade Science: Physical Science: Atoms
[Free Registration/Login may be required to access all resource tools.] Looks at atoms and how they are related to elements, and the particles that make up atoms.
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Ck 12: Fourth Grade Science: Physical Science: Electric Current
[Free Registration/Login may be required to access all resource tools.] Defines electric current and relates electric current to different materials (insulators and conductors).
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Ck 12: Fourth Grade Science: Physical Science: Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Describes the parts of an electric circuit and identifies electric safety features and how to use electricity safely.
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Ck 12: Fourth Grade Science: Physical Science: Types of Energy
[Free Registration/Login may be required to access all resource tools.] Discusses ways in which energy can be transferred, what kinetic energy is and types of potential energy. Includes examples of energy conversions.
CK-12 Foundation
Ck 12: Fourth Grade Science: Physical Science: Characteristics of Sound
[Free Registration/Login may be required to access all resource tools.] Discusses sound waves and properties of sound.
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Ck 12: Fourth Grade: Physical Science: Moving Air and Water as Energy Sources
[Free Registration/Login may be required to access all resource tools.] Discusses wind energy and hydroelectric energy.
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Ck 12: Fourth Grade Science: Physical Science: Transfer of Thermal Energy
[Free Registration/Login may be required to access all resource tools.] Describes the conduction of thermal energy, how convection transfers thermal energy, and provides an example of the radiation of thermal energy.
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Ck 12: Fourth Grade Science: Physical Science: Static Electric Charge
[Free Registration/Login may be required to access all resource tools.] Discusses electric charge and electric force, and identifies ways that electric charge is transferred.
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Ck 12: Physical Science: Speed
[Free Registration/Login may be required to access all resource tools.] Outlines how to calculate the speed of a moving object.
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Ck 12: Physical Science: Refraction of Light
[Free Registration/Login may be required to access all resource tools.] Discusses refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.
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Ck 12: Physical Science: Reflection of Light
[Free Registration/Login may be required to access all resource tools.] Considers the reflection of light from both smooth and rough surfaces and the law of reflection.
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Ck 12: Fourth Grade Science: Physical Science: Forms and Changes of Energy
[Free Registration/Login may be required to access all resource tools.] Discusses different forms of energy and how energy changes form.