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Class 4 Science Chapter 5 Test 2


Updated: 12 Jun 2022

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Welcome to your Class 4 Science Chapter 5 Test 2

1. 
_________ use echo to catch its prey in darkness.

2. 
Doctors usually measure temperature in _______ scale.

3. 
The symbol of degree centigrade is _______

4. 
_______ is used to measure the hotness or coldness of an object.

5. 
The instrument used to measure temperature is called ______.

6. 
When the bulb of thermometer touches a cold object, the mercury or alcohol _______

7. 
To hear a clear echo, the reflecting surface should be at least _______meters away from the source of sound.

8. 
The sound reaches our ears through particles of the _______

9. 
When sound bounces back from an object (reflects) at a certain distance and we hear it again, it is called ____.

10. 
When the object is hot, its temperature _______

11. 
Fahrenheit and degree centigrade are the units of _______.

12. 
Heat always travels from _________ object.

13. 
When the object is cold, its temperature _______


jawad khalil

jawad khalil

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