Science - Grade 3 - Mid Test

What can living things do?

• They are born, they jump and all of them sing songs

• They are born, they grow, they reproduce and they die

• They do nothing

• Just eating

Living things are born, grow, reproduce and ....

• fly

• die

• draw

• sick

Part of eyes that covers eyes is ...

• pupil

• iris

• cornea

• retina

Part of eyes that helps to focus image and light is ...

• lens

• pupil

• iris

• retina

Part of eyes that sends messages to your brain about the images that you see is ...

• pupil

• iris

• lens

• retina

The pupil is round and black, and found at the center of the iris.

The pupil allows ............. to enter your eye.

• light

• dust

• foreign object

• water

The iris controls ..................... that enters your eye.

The iris has a color such as blue, brown, or green.

• the omount of dust

• the omount of light

• the omount of foreign object

• the omount of water

Part of ear that collects sound is ....

• eardrum

• pinna

• cochlea

• ear canal

In .......... the vibration occur as sound reaches it.

• ear canal

• pinna

• cochlea

• eardrum

When the sound reaches the ..............., it converts the sound to nerve impulses that are sent to brain.

• cochlea

• eardrum

• pinna

• ear canal