Unit 3.5 Energy

Unit 3.5 Energy

By Chenee Damasole

​In this topic you will:

• Find out what energy is.

• Learn about different energy stores and transfers.

• Discover some of the ways in which energy can be stored more easily than in others. ​

Subject | Subject

Some text here about the topic of discussion

Multiple Select

Select everything that has energy:

• Pencil

• Human (YOU)

• Dog

• Tree

• Plastic cup

Energy

is the ability to do work or cause change.

​

EVERYTHING has energy, but different kinds.

​

All energy can be split into TWO categories:

Kinetic (movement) and potential (stored).

​

The unit ​for measuring energy is called the joules (J).

Some text here about the topic of discussion

Multiple Choice

Sound waves can travel in space.

• True

• False

Multiple Select

Which of the following has chemical energy? (select all that apply)

• Humans

• Coals

• Cows

• fuels

Multiple Choice

Which of the following is an example of kinetic energy?

• holding a ball

• a ball rolling down a hill

• stretching a rubber band

Multiple Choice

A bow and arrow would have what kind of potential energy?

• Elastic

• Gravitational

Multiple Choice

 

a river flowing?

• Kinetic

• Potential

Multiple Choice

 

a plane in flight

• Potential

• Kinetic

Multiple Choice

sitting on a couch watching a movie?

• Kinetic

• Potential

Multiple Choice

Which is an example of mechanical energy?

• listening to music

• fire burning wood

• opening a door

Open Ended

Give one example of electrical energy. Either the use of electrical energy, or the production of electrical energy.

Multiple Select

Choose all of the following that show thermal energy.

• cheering for your favorite team

• sweating while you run

• the inside of a car warming in the sun

• cooking food in the microwave

Poll

Which one produces sound energy?

• a squeaky wheel

• the sun

• your ears

Open Ended

Give one example of electrical energy changing to sound energy.