CK-12 Foundation
Ck 12: Plix Series: Gas Density: Mass, Volume and the Mole
[Free Registration/Login Required] Find out what mathematical function should be performed in order to move from mass to moles and back again. After the activity, answer one multiple choice, challenge question about the topic.
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Ck 12: Plix Series: Percent Composition
[Free Registration/Login Required] Manipulate graph data to see a representation of the percent composition of different compounds. Then answer a challenge question about the activity.
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Ck 12: Plix Series: Factors on Gas Pressure: Atmospheric Pressure
[Free Registration/Login Required] Observe what happens to the barometer as the weather changes from clear, to mixed, to overcast. Then answer a challenge question about the topic.
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Ck 12: Plix Series: Piston Pressure: Boyle's Law
[Free Registration/Login Required] In this interactive activity, discover the relationship between pressure and volume. After the activity, answer one challenge question about the topic.
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Ck 12: Plix Series: Charles' Law: Gas Balloon
[Free Registration/Login Required] Observe what happens to the volume of a balloon with a change in temperature. After the activity, answer a multiple-choice, challenge question.
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Ck 12: Plix Series: Gay Lussac's Law
[Free Registration/Login Required] Increase the heat in the virtual container, and observe what happens to the internal pressure.
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Ck 12: Plix Series: How Hot Is Boiling Water on Mt. Everest?
[Free Registration/Login Required] In this activity, observe the relationship between elevation, boiling point, and atmospheric pressure. Then answer a self-correcting challenge question.
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Ck 12: Plix Series: Limiting Reactant
[Free Registration/Login Required] Using atoms from a reactants pool, construct products of an equation shown and place them in the product pool. Then answer a challenge question about the topic.
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Ck 12: Plix Series: Gas Mixture and Molecular Speeds
[Free Registration/Login Required] Hike to the top of Mt. Everest and observe what happens to the amount of molecules pushing down on the surface of the Earth. After the activity, answer one challenge question about the topic.
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Ck 12: Plix Series: Henry's Law
[Free Registration/Login Required] Observe what happens to carbon dioxide gas as pressure is increased in this carbonated soda simulation. Afterwards, answer a multiple-choice challenge question.
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Ck 12: Plix Series: Enthalpy
[Free Registration/Login Required] Move the chemical reaction along, and observe the overall change in enthalpy for each reaction in the simulation. After the activity, answer one challenge question to check for understanding.
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Ck 12: Plix Series: Voltaic Cells
[Free Registration/Login Required] Virtually test three materials to see which one generates the most electricity. After the activity, answer one challenge question to check for understanding.
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Ck 12: Plix Series: Radioactive Decay: Writing Chemical Equations
[Free Registration/Login Required] Use the provided symbols to generate and build chemical equations. Then answer one multiple choice challenge question about the topic.
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Ck 12: Plix Series: Satellites, Shuttles, and Space Stations
[Free Registration/Login Required] Simulate the launch of a rocket to see how rocket propulsion works. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Metric Units
[Free Registration/Login Required] Change the dimensions in this four-quadrant graph to explore metric scale. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Average Acceleration
[Free Registration/Login Required] Build the appropriate graph curve to illustrate an acceleration problem. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Friction
[Free Registration/Login Required] Use given friction formulas and an interactive diagram for an inclined plane to solve a motion problem. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Projectile Motion: Object Launched at an Angle
[Free Registration/Login Required] Explore how angles affect the projectile motion of a thrown object. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Circular Motion
[Free Registration/Login Required] Explore circular motion on an interactive merry-go-round by changing the position of the riders. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Temperature Transition: Linear Equations
[Free Registration/Login Required] Use the linear equation graph to convert temperatures from Celsius to Fahrenheit. After the activity, answer the challenge question to check for understanding.
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Ck 12: Plix Series: Double Concave Lenses
[Free Registration/Login Required] Change the focal point in this interactive concave lens to see how the focal length changes.After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Double Convex Lens: Convex Lens
[Free Registration/Login Required] Change the focal point in this interactive convex lens to see how the focal length changes. After the activity, answer a challenge question to check for understanding.
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Ck 12: Plix Series: Endothermic Reactions: Combustion Reactions
[Free Registration/Login Required] Use the water and carbon dioxide molecules to balance the combustion reactions, label them, and then answer one challenge about the topic.
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Ck 12: Conjectures and Counterexamples
[Free Registration/Login Required] Students learn to make educated guesses, and how to disprove them with valid counterexamples.