science revision gr1

Which of these objects can light shine through?

• a book

• a door

• a window

What happens when you rub your hands together fast?

• Your hands feel warm.

• Your hands feel cool.

• Your hands lose energy.

Which two sounds are loud?

• A whisper and footsteps

• A drum and train whistle

• A bird singing and bee buzzing

Which of these things makes light?

• a fire

• a lamp

• Both of them

A source of light that we can see it at night....

• firefly

• light

• shadow

Light helps us seeــــــــــــــــــــــــــ

• sounds near us.

• smells coming from close by.

• objects in the room we are in.

Which of these makes a loud sound?

• Amouse

• A fire engine

• A whisper

People can use light energy to ــــــــــــــــــــــــــ

• smell a flower.

• look at a rock.

• listen to a bird song.

Sound

is made when something……….

• heats up.

• makes a shadow.

• vibrates.

........gives us heat and warms land.

• sunlight

• shadow

• vibrates