Topic 3 Review and Assess

Which of the following is NOT a form of energy

• light

• sound

• air

• electricity

How can you increase your power when stacking shoe boxes in a closet?

• Spend more time stacking the boxes

• Stack fewer boxes per minute.

• Slowly stack the boxes on a lower shelf.

• Stack the boxes more quickly.

An object is in motion if

• its position changes relative to its surroundings.

• energy is applied to the object.

• a force is applied to it.

• it loses energy.

Kinetic energy is the energy of

• motion.

• potential.

• gravity.

• distance.

Which of the following is the best example of increasing an object's potential energy?

• rolling a bowling ball

• turning on a light bulb

• stretching a rubber band

• dropping a pencil

Gravitational potential energy is affected by the object's weight and the object's

Calculate - A woman is walking at a rate of 0.5 m/s. Her mass is 62 kg. Calculate the woman's kinetic energy in joules.

(Label your answer in joules (J))

In the process of fusion, nuclear energy is

• absorbed when a nucleus splits.

• released when a nucleus splits.

• released when nuclei join.

• absorbed when nuclei switch places.

Which of the following is a type of energy that is NOT involved in the human body's everyday processes?

• mechancial energy

• nuclear energy

• thermal energy

• chemical energy

An increase in the movement of particles in a substance is associated with an increase in _______ energy