Ch.1 Practice Test

The kinetic energy of an object is equal to one half its mass multiplied by its speed ___.

• squared

• cubed

• to the fourth power

• to the fifth power

The gravitational potential energy of an object is equal to its weight multiplied by its ___.

• depth

• height

• volume

• diameter

Energy is the ability to do work or cause ___.

• events

• change

• friction

• explosions

Energy and work are measured in ___.

• newtons

• joules

• hertz

• kilograms

To find an object's mechanical energy, you add its

• kinetic and potential energy

• kinetic and thermal energy

• potential and thermal energy

• kinetic and chemical energy

A form of energy NOT associated with the particles of objects is

• thermal energy

• mechanical energy

• nuclear energy

• chemical energy

Nuclear fusion reactions occur in

• nuclear power plants

• a microwave oven

• a match that is struck

• the sun

The total potential and kinetic energy of the particles of an object is the object's

• nuclear energy

• electromagnetic energy

• thermal energy

• mechanical energy

All forms of energy can be __________ into other forms of energy.

• created

• transformed

• destroyed

• transferred

A change from one form of energy to another is called a(n) __________.

• transformation

• destruction

• creation

• transfer