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Ck 12: Fourth Grade Science: Physical Science: Energy Resources
[Free Registration/Login may be required to access all resource tools.] Discusses nonrenewable and renewable energy resources. Outlines world energy use and ways to conserve energy.
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Ck 12: Fifth Grade Science: Physical Science: Rate of Dissolving
[Free Registration/Login may be required to access all resource tools.] Discusses the rate of dissolving and the factors that affect it.
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Ck 12: Fifth Grade Science: Physical Science: Separating Mixtures
[Free Registration/Login may be required to access all resource tools.] Discusses how mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.
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Ck 12: Fifth Grade Science: Physical Science: Magnets and Magnetism
[Free Registration/Login may be required to access all resource tools.] Looks at the properties of magnets and why some materials are magnetic.
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Ck 12: Fifth Grade Science: Physical Science: Earth as a Magnet
[Free Registration/Login may be required to access all resource tools.] Looks at the Earth as a magnet and how Earth's magnetism benefits living things.
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Ck 12: Physics Simulation: Dungeon Simulation
Experiment with changing velocity to help Tommy escape the dungeon.
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Ck 12: Earth Science: Mineral Identification
[Free Registration/Login may be required to access all resource tools.] Classifying minerals based on physical characteristics.
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Ck 12: Weak Nuclear Force and the Standard Model
[Free Registration/Login may be required to access all resource tools.] Describes the development of the model of particle physics called the Standard Model.
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Ck 12: Earth Science: Mineral Identification
[Free Registration/Login may be required to access all resource tools.] Classifying minerals based on physical characteristics.
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Ck 12: Life Science: Organization of Living Things
[Free Registration/Login may be required to access all resource tools.] When you see an organism that you have never seen before, you probably put it into a group without even thinking. If it is green and leafy, you probably call it a...
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Ck 12: Life Science: Muscles and Exercise
[Free Registration/Login may be required to access all resource tools.] Regular physical exercise is important in preventing lifestyle diseases such as cardiovascular disease, some types of cancer, type 2 diabetes, and obesity. Regular...
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Ck 12: Life Science: Adulthood and Aging
[Free Registration/Login may be required to access all resource tools.] When is a person considered an adult? That depends. Most teens become physically mature by the age of 16 or so. But they are not adults in a legal sense until they...
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Ck 12: Life Science: Producers
[Free Registration/Login may be required to access all resource tools.] Energy is the ability to do work. In organisms, this can be physical work, like walking or jumping, or it can be the work used to carry out the chemical processes in...
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Ck 12: Trigonometry: Resultant of Two Displacements
[Free Registration/Login may be required to access all resource tools.] Determine the physical description of vector displacement additions.
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Ck 12: Life Science: 9.5 Segmented Worms
Learn about the physical features of segmented worms.
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Ck 12: Life Science: 9.4 Flatworms
Understand the physical features and the ecological interactions of flatworms.
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Ck 12: Physical Science: Bernoulli's Law
[Free Registration/Login may be required to access all resource tools.] Bernoulli's law and using air pressure to fly.
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Ck 12: Physical Science: Accuracy and Precision
[Free Registration/Login may be required to access all resource tools.] Accuracy and precision of measurements.
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Ck 12: Physics Simulation: Free Body Simulation
Learn to draw free-body diagrams in this simulation where you place arrows to indicate the directions that forces are acting on an object.
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Ck 12: Earth Science: Mechanical Weathering
[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.
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Ck 12: Physical Science: Amontons' Law
[Free Registration/Login may be required to access all resource tools.] Amontons' law and the relationship between the temperature and pressure of a gas.
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Ck 12: Physical Science: Boyle's Law
[Free Registration/Login may be required to access all resource tools.] Boyle's law and the relationship between the volume and pressure of a gas.
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Ck 12: Physical Science: Charles' Law
[Free Registration/Login may be required to access all resource tools.] Charles' law and the relationship between the volume and temperature of a gas.
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Ck 12: Plix: Structure of Water: Phases of Matter
[Free Registration/Login Required] Explore this interactive by dragging the red dots to match each physical state of water with the correct picture of its molecules.