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- 1. Multiple ChoiceAccording to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?The total amount of energy is conservedThe total amount of energy is less after a reactionThe total amount of energy is more after a reaction
- 2. Multiple Choice
What kind of energy does an object possess when it's resting on top of the hill?
Potential Energy
Chemical Energy
Kinetic Energy
All of the above
- 3. Multiple Choice
What force causes a roller coaster cart to slow down the most?
friction
weight
gravity
air resistance
- 4. Multiple Choice
What is the formula for Kinetic Energy?
KE = mass x velocity
KE= 1/2 x mass x velocity 2
KE = mass x gravity x height
KE = mass x velocity / 2
- 5. Multiple ChoiceThe law of energy conservation says the total energy before the change _______ the total energy after itis less thanis more thanaffectsequals
- 6. Multiple ChoiceWhich 2 letters have the most kinetic energyW & YX & Z
- 7. Multiple Choice
What happens when the ball goes from the highest position to the lowest position
PE and KE increases and decreases together
Impossible to know without knowing the mass of the object
the PE decreases while KE increases
- 8. Multiple Choice
A pendulum has the most kinetic energy when?
at the top of its swing
at the bottom of its swing
- 9. Multiple Choice
A 1.0 kg ball is stationary at the top of a hill that is 10.0 meters in height. The ball rolls all the way down the hill. What is its gravitational potential energy at the bottom of the hill?
0 joules
98 joules
49 joules
38 joules
- 10. Multiple Choice
Which form of energy is represented in this image?
kinetic
thermal
potential
radiant
- 11. Multiple Choice
What kind (s) of energy is (are) in this image?
Potential
Kinetic
Both Potential and Kinetic
- 12. Multiple Choice
According to the Law of Conservation of Energy, when one form of energy is transformed into another, __________ energy is lost in the process
no
some
all
- 13. Multiple Choice
Whenever a moving object experiences friction, some of its kinetic energy is transformed into __________ energy.
thermal
electrical
nuclear
mechanical
- 14. Multiple ChoiceWhen is the potential energy the greatest in a roller coaster?a. at the bottom of the first hillb. at the top of the first hillc. at the top of the second hilld. at the bottom of the second hill
- 15. Multiple Choice
A student is holding the end of a pendulum. The student releases the pendulum. What energy transfers are taking place?
potential energy is transferred to kinetic energy
chemical energy to thermal energy
mechanical energy to chemical energy
kinetic energy is tranferred to potential energy
- 16. Multiple Choice
The Law of Conservation of Energy states:
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed
Energy can't be created, destroyed or transformed
Energy cannot be created or destroyed.
- Answer choicesTagsAnswer choicesTags