7.MS-PS3-7 Question Preview (ID: 59664)


7.MS-PS3-7. TEACHERS: click here for quick copy question ID numbers.

An old light bulb in a lamp gets really hot when turned on. That heat energy is....
a) mostly considered to be waste
b) mostly considered to be useable
c) evidence of the light bulb being highly efficient
d) destroyed in the end

The law of conservation of energy states that energy cannot be ____ or _____
a) converted; transformed
b) created; destroyed
c) created; moved around
d) useable; waste

When something is plugged into an outlet, what is the input energy?
a) radiant energy
b) thermal energy
c) electrical energy
d) sound energy

When you eat an apple, the chemical energy from the apple is converted into all of the following, except....
a) thermal
b) mechanical
c) electrical
d) radiant

The Sun will burn out in about 4.5 billion years. Which type of energy will, most likely, disappear immediately?
a) radiant
b) sound
c) electrical
d) elastic

All machines produce waste energy. Therefore, no machine is 100% _____
a) effective
b) efficient
c) useable
d) well-designed

A blender is a machine that converts electrical energy into all of the following, except ....
a) sound energy
b) mechanical energy
c) chemical energy
d) thermal energy

Energy can be ____ or _____.
a) created; destroyed
b) created; moved around
c) converted into different types; destroyed
d) converted into different types; moved around

As a rollercoaster car does down a hill, its potential energy ____ and its kinetic energy ____
a) decreases; increases
b) increases decreases
c) decreases; decreases
d) increases; increases

Which of the following is a type of potential energy?
a) radiant
b) chemical
c) thermal
d) sound

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