Introduction to Energy

Energy is...

• the temperature outside.

• when something moves.

• the ability to cause change

• does not exist in our daily lives.

Select the two examples of kinetic energy.

• A rock sitting at the top of a hill.

• A car driving down the highway

• A dog playing fetch

• A stretched rubber band, but not moving.

What are the two factors influence kinetic energy?

• Mass and Speed

• Mass and Weight

• Weight and Speed

• Volume and Speed

Mechanical energy is the sum of which two types of energy?

• Kinetic and Potential

• Potential & Work

• Gravitational and Force

• Radiant & Electrical

Which type of energy comes from strumming a guitar?

• Light

• Sound

• Chemical

• Force

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• chemical → light → electrical
• electrical → light → chemical
• light → electrical → chemical
• chemical → electrical → light

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Which energy transformation occurs in an electric iron?

• heat to light

• light to heat

• heat to electricity

• electricity to heat