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Seventh Grade (Grade 7) Energy and Momentum Questions

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Grade 7 Energy and Momentum
The                               states that energy cannot be created or destroyed.
  1. Law of Speed
  2. Law of Energy
  3. Law of Conservation of Energy
  4. Law of Universal Gravitation
Grade 7 Energy and Momentum
The ability to do work is                .
  1. force
  2. energy
  3. speed
  4. gravity
Grade 7 Energy and Momentum
Potential energy is energy in motion.
  1. True
  2. False
Grade 7 Energy and Momentum
A football player running for a touchdown exemplifies                  .
  1. mechanical energy
  2. thermal energy
  3. chemical energy
  4. radiant energy
Grade 7 Energy and Momentum
Stored energy is called kinetic energy.
  1. True
  2. False
Grade 7 Energy and Momentum
What is the other name for heat energy?
  1. kinetic energy
  2. thermal energy
  3. potencial energy
  4. electromagnetic energy
Grade 7 Energy and Momentum
The ability to do work is                .
  1. force
  2. energy
  3. pulley
Grade 7 Energy and Momentum
A(n)                 converts mechanical energy to electrical energy.
  1. molecule
  2. atom
  3. electricity
  4. generator
Grade 7 Energy and Momentum
When energy changes from one form to another it is called                               .
  1. energy transformation
  2. energy shifting
  3. electromagnetic transformation
  4. Law of Conservation of Energy
Grade 7 Energy and Momentum
This is the sum of the kinetic energy and the potential energy in the particles that make up a material.
  1. Thermal Energy
  2. Thermal Conductor
  3. Temperature
  4. Heat
Grade 7 Energy and Momentum
A beating heart is an example of which form of energy?
  1. potential
  2. kinetic
Grade 7 Energy and Momentum
What is energy?
  1. Electrons that move through a wire.
  2. A push or a pull.
  3. When energy changes from one form to another.
  4. The ability to do work.
Grade 7 Energy and Momentum
How much power is needed to complete 150 Joules of work in 40 seconds?
  1. 3.75 (3 3/4) watts
  2. 600 watts
  3. 14 watts
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