Unit 1 - The senses
Unit . Natural Science 3rd Primary. Read the questions and answer carefully. Good luck!
What is your name and surname?
Your answer
1. Complete the sentences. Choose the correct option.
The organ of ... is the tongue
1 point
The organ of ... is the skin
1 point
The organ of ... is the eye
1 point
The organ of ... is the nose
1 point
The organ of ... is the ear
1 point
2. Match the different parts to the organs.
eye
ear
nose
tongue
skin
eardrum
sensory nerves
retina
olfactory bulb
taste buds
cochlea
nostrils
nasal cavity
canal
optic nerve
3. Answer the questions. Write.
What yellow substance protects the ear from infections?
1 point
Your answer
What part of the eye works like a camera?
1 point
Your answer
What part of the ear vibrates?
1 point
Your answer
What part of the eye is like a muscle and can be of different colours?
1 point
Your answer
What is the 5th taste in the tongue?
1 point
Your answer
4. Look at the photo and choose the correct option.
1 point
5. Look at the diagram and complete the sentences.
The soundwaves enter through the...
1 point
Required
The sound waves pass and hit the...
1 point
Required
The liquid in the .... moves and sends the information to the brain.
1 point
Required
Finally, the brain .... the information
1 point
Required
6. Look at the tongue and identify the tastes of the food
Sweet
Salty
Sour
Bitter
chips
orange
coffee
coffee with sugar
lime
7. Look at the photos. How does it feel?
This is a tree trunk.
Tick the correct options.
2 points
Required
These are billar balls.
Tick the correct options.
2 points
Required
This is ice-cream.
Tick the correct options.
2 points
Required
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