Texas Science Chapter 5: Lesson 1 Mechanical Energy

What is mechanical energy?

• Energy from the sun

• Energy from food

• Energy due to motion or position

• Energy from water

Which of these is an example of using mechanical energy?

• Typing on a keyboard

• Reading a book

• Watching TV

• Listening to music

What happens when rocks fall from a mountain top?

• They generate heat energy

• They produce light energy

• They create sound energy

• They have mechanical energy

What is an example of mechanical energy in sports?

• Swinging a bat in baseball

• Sitting on a bench

• Watching a game

• Cheering for a team

How does a bicycle move?

• By using mechanical energy

• By using solar energy

• By using wind energy

• By using water energy

What part of the bicycle helps it change direction?

• Brakes

• Pedals

• Chain

• Handlebar

What does pushing the pedals on a bike do?

• Puts them in motion

• Stops the bike

• Makes the bike fly

• Turns on the lights

What is the role of the chain in a bicycle?

• Moves the rear wheel

• Stops the bike

• Changes the bike's color

• Makes the bike heavier

What happens when you pull the brakes on a bike?

• The bike changes color

• The bike plays music

• The bike speeds up

• The bike slows down or stops

Which of these activities uses mechanical energy?

• Sitting quietly

• Walking up stairs

• Reading a book

• Sleeping