Communicate with light and sound

What is a lighthouse?

• A tower with lights. It helps guide boats.

• A car

• A cell phone

Does a lighthouse communicate by using light?

• Yes

• No

Which item communicates through light AND sound?

• A bottle of water

• Fire Truck

• Food

When you communicate, you _______________.

• Dance

• give information about something.

What is electricity?

• A form of energy that gives some things the power to work.

• No energy

Can food give you energy?

• Yes

• No

A smoke detector communicates through light and sound.

• True

• False

Name an object that communicates through light and/or sound.