Physical Science Chapter 15 and 16

Work is a transfer of

• energy
• force
• mass
• motion

The energy of motion is called

• kinetic energy
• potential energy
• thermal energy
• work

Which of the following is an example of an object with elastic potential energy?

• a wind-up toy that has been wound up
• a compressed basketball
• a stretched rubber band
• all of the above

The gravitational potential energy of an object is always measured relative to the

• location where the object’s kinetic energy is zero.
• position of maximum mechanical energy.
• reference level from which the height is measured.
• surface of Earth

Which of the following increases when an object becomes warmer?

• chemical energy
• elastic potential energy
• thermal energy
• nuclear energy

The energy stored in gasoline is

• chemical energy
• electromagnetic energy
• mechanical energy
• nuclear energy

The total potential and kinetic energy of all the microscopic particles in an object make up its

• chemical energy
• electric energy
• nuclear energy
• thermal energy

Nuclear power plants are designed to convert nuclear energy into what type of energy?

• chemical
• electrical
• geothermal
• mechanical

Solar cells convert what type of energy into electrical energy?

• chemical
• electromagnetic
• nuclear
• thermal

Which of the following statements is true according to the law of conservation of energy?

• Energy cannot be created.
• Energy cannot be destroyed.
• Energy can be converted from one form to another.
• all of the above