Energy and Work Quiz

Mechanical energy is the total kinetic and _____ energies in a system.

• chemical

• thermal

• potential

• electrical

Energy that is stored is _____ energy.

• kinetic

• potential

• thermal

• chemical

What formula is used to calculate work?

• Work = Force x Distance

• Work = Mass x Velocity

• Work = Energy x Time

• Work = Power x Time

State the Law of Conservation of Energy.

• Energy can be created and destroyed.

• Energy can be transformed but not transferred.

• Energy cannot be created or destroyed, only transformed.

• Energy is always lost in transformations.

A _____ is a unit of measure for all forms of energy.

• meter

• kilogram

• joule

• Newton

Identify the forms of potential energy.

• Kinetic and thermal

• Gravitational and elastic

• Chemical and nuclear

• Electrical and sound

You plug in an electric heater to keep warm. How did energy change form?

• Chemical to electrical

• Electrical to thermal

• Thermal to kinetic

• Kinetic to potential

Energy stored in a loaded slingshot is ____ potential energy.

• kinetic

• chemical

• elastic

• gravitational

The unit used to measure the amount of energy that people get from food is a _____.

• kilograms

• Celsius

• Newton

• calorie

A bowling ball weighing 1.2 Newtons is lifted 2 meters. How much work is done?

• 1.2 Joules

• 2.4 Joules

• 0.6 Joules

• 3.6 Joules