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Class 4 Science Chapter 6 Test 2

Welcome to your Class 4 Science Chapter 6 Test 2

1. 
The teeth of ______ wheels fit in with each other and move together.

2. 
The flag is raised up with the help of _______.

3. 
_______ is a simple machine with one end relatively higher than the other.

4. 
A ________ is a simple machine that can be used to push or lift heavy objects.

5. 
Changing the direction of force makes it easier to work with the _______.

6. 
Which machine consists of grooved wheel?

7. 
A ________ is a simple machine that consists of grooved wheel and a rope.

8. 
What is force?

9. 
When a body changes its position, it is called:

10. 
To lift objects with the help of pulley, put the effort ________.

11. 
The examples of gear are

12. 
The lever that turns around a certain point called ________

13. 
Water can be easily drawn from a well by using _______.

14. 
Everything that makes our work easier is called a __________.

15. 
________ allows us to move objects easily from bottom to top and top to bottom.

16. 
Ramp is also called

17. 
All bodies are attracted towards the Earth due to:

18. 
With the help of _______, we can increase and decrease the speed.

19. 
If we apply the same force on toy car, it will be travel longer on:

20. 
Pulling a weight is ________ than lifting it by pulley.