Energy Lesson

Multiple Choice

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical

Match

Match the following

• Electrical Energy

• Chemical Energy

• Mechanical Energy

• Thermal Energy

Electrical Outlet

Battery

Movement

Heat

• Electrical Outlet

• Battery

• Movement

• Heat

Multiple Choice

Which shows light energy transforming into chemical energy?

• a battery turning on a fan

• a broken glow stick

• a plant making its own food in the sunlight

Multiple Choice

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

• A bolt of lightning lights the night sky.
• A candle glows brightly in the dark.
• A fire in a fireplace lights up a room.
• A battery causes a flashlight to shine.

Multiple Choice

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

• Z

• Y

• W

• X

Multiple Choice

The roller coaster cart has the most kinetic energy at position

• X

• W

• Y

• Z

Multiple Choice

Which of the three springs represents increased potential energy?

• The compressed spring only because potential energy is only gained when an object is squeezed.

• The stretched spring only because potential energy is only gained when an object is stretched out.

• The compressed and stretched spring both have elastic potential energy gained from being squeezed or stretched.

• none of the springs possesses potential energy

Multiple Choice

Which number shows kinetic energy increasing.

• 1

• 2

• 3

• 4

• 5

Hotspot

At which position does the child on the swing have increasing potential energy?

Multiple Choice

At what position does the rock have the greatest kinetic energy?

• A
• B
• D
• E