Chapter 7 Energy

The ability to do work or cause change is called

• Velocity
• Energy
• Transfer
• Friction

Energy is measured in units called

• Joules
• Pounds
• Meters
• Horsepower

What type of energy does a spinning turbine have?

• Electrical Energy
• Nuclear Energy
• Thermal Energy
• Mechanical Energy

An example of something that stores chemical energy is

• Lightning
• A Microwave
• A Match
• Light

What type of energy transformation is taking place when natural gas is used to heat water?

• chemical energy into thermal energy
• thermal energy into mechanical energy
• mechanical energy into electromagnetic energy
• electromagnetic energy into chemical energy

Which of the following has kinetic energy?

• a rock poised for a fall
• an archer’s bow that is drawn back
• a rolling bowling ball
• a car waiting at a red light

Potential energy that depends on height is called

• kinetic energy.
• gravitational potential energy.
• elastic potential energy.
• mechanical energy.

The rate at which energy is transferred is called

• Joules
• Power
• Work
• Time

How would you calculate an object’s mechanical energy?

• Add its kinetic and potential energies.
• Multiply its kinetic and potential energies.
• Subtract its kinetic energy from its potential energy.
• Subtract its potential energy from its kinetic energy.

Energy stored in the nucleus of an atom is called

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