Physics-Chemistry

1. It physics, it refers to the ability to do work.

• Force

• Gravity

• Acceleration

• Energy

What type of energy is release when nuclei are split apart into several pieces?

• Chemical

• Nuclear

• Kinetic

• Thermal

3. The following are examples of chemical energy except:

• Uranium

• Coal

• Gasoline

• Food

What type of energy does the sun produce?

• Chemical

• Nuclear

• Thermal

• Radiant

When the atoms of an object moves faster and rapidly, their thermal

energy is _____.

• Zero

• High

• Low

• Cannot be determined from the given information

This type of energy is present when an object is compressed or stretched.

• GPE

• KE

• EPE

• CE

When inside the elevator, what happens to your gravitational potential energy when you go down?

• It goes down.

• It goes up.

• It becomes zero.

• Nothing is changed.

Which of the following correctly states the principle of conservation of energy?

• The types of energy do not change in an energy transformation.

• There is always heat produced in an energy transformation.

• The total amount of energy before is less than the energy after the transformation.

• The total amount of energy before is the same as the energy after the transformation.

What is the organelle that carries out cellular respiration?

• Vacuole

• Chloroplast

• Mitochondria

• Cytoplasm

Chloroplast in plant cell transform __________.

• Chemical energy to heat energy

• Chemical energy to light energy

• Light energy to sound energy

• Light energy to chemical energy