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100
____________ energy moves from warmer objects to cooler objects.
Thermal
100
When an object’s potential and kinetic energy changes, its___________ energy changes.
mechanical
100
When you lift a box of books, you are doing________ on the box.
Work
100
The more_________ a moving object has, the more kinetic energy it has.
mass
200
When a student lifts a backpack, the backpack’s___________ potential energy increases.
gravitational
200
When two substances rub together______, causes mechanical energy to be transformed into thermal energy.
Friction
200
A radio uses radiant energy by transforming it into A. sound energy. B. kinetic energy. C. electrical energy. D. gravitational energy.
C. Electrical Energy
200
Which substance is a good thermal insulator? A. air B. iron C. water D. aluminum
A. Air
300
The ability to cause change is a definition of A. force. B. energy. C. motion. D. friction.
B Energy
300
A baseball in motion has_______ energy. A. sound B. kinetic C. radiant D. potential
B Kinetic
300
Potential energy can be gravitational, elastic, or A. sound. B. radiant. C. chemical. D. mechanical.
C. Chemical
300
A battery transforms chemical energy into_____ energy. A. thermal B. chemical C. electrical D. mechanical
C. Electrical
400
Does the production of waste energy during energy transformations violate the law of conservation of energy? Why or why not?
No, the production of waste energy during energy transformations does not violate the law of conservation of energy. The total energy present before and after the energy transformation is the same
400
Which situation is an example of potential energy? A. a falling tree limb B. a boy sledding down a hill C. a leaf floating down a stream D. a rock sitting at the edge of a cliff
D. A rock sitting at the edge of a cliff
400
A car’s engine is warm after it runs due to the production of A. waste energy. B. electrical energy. C. chemical energy. D. mechanical energy.
A. Waste Energy
400
Work is best described as A. a change in an object’s mass when a force is applied. B. an application of force that does not result in motion. C. a transfer of energy when force is applied over a distance. D. the creation of additional energy during a transformation.
C. A transfer of energy when force is applied over a distance.
500
This type of energy is due to the motion of particles that make up an object
Thermal Energy
500
What type of energy is stored in objects that are compressed or stretched.
Elastic Potential Energy
500
What type of energy is stored and released in the nucleus of an atom.
Nuclear Energy
500
What type of energy is stored in the bonds between atoms.
Chemical Potential Energy