Natural Science Quiz - Grade 5

What is our ability to detect and respond to changes in our environment?

• Sensitivity

• Stimulus

• Response

Sensitivity involves...

• Sense organs, the nervous system and the skeletal system.

• Sense organs, the nervous system and the muscular system.

• Sense organs, the nervous system and the skeletal and muscular systems.

Neurons have three main parts: ...

• The organelles, the dendrites and the axon.

• The body, the dendrites and the axon.

• The nucleus, the dendrites and the axon.

The central nervous system consists of the brain and...

• The spinal cord.

• The cerebellum.

• The brainstem.

The ... connects the brain with the nerves.

• Spinal cord

• Cerebrum

• Brainstem

The peripheral nervous system is made up of...

• Nerves.

• Bones.

• Muscles.

The retina...

• Controls the amount of light that enters the eye.

• Detects light.

• Sends information to the brain through the optic nerve.

The ... is a thin membrane at the end of the ear canal.

• Outer ear

• Cochlea

• Eardrum

We use our sense of touch to...

• Detect different flavours.

• Identify odours.

• Identify the shape and texture of objects.

We can prevent many injuries by...

• Taking precautions.

• Using headphones for long periods.

• Looking at a digital screen.