Activity - IV — task. Science State Board, Class 9.

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1. Take a large stone and a small eraser. Stand on the top of a table and drop them simultaneously from the same height.

What do you observe?

Both the stone and the eraser have reached the surface of the Earth almost at the same time
The eraser reaches the surface of the Earth first and the stone reaches later
The stone reaches the surface of the Earth first and the eraser reaches later

2. Now, take a small eraser and a sheet of paper. Drop them simultaneously from the same height.

What do you observe?

Both the eraser and the sheet of paper have reached the surface of the Earth almost at the same time
The sheet of paper reaches the surface of the Earth first and the eraser reaches later
The eraser reaches the surface of the Earth first and the sheet of paper reaches later

3. This time, take two sheets of paper having same mass and crumple one of the sheets into a ball. Now, drop the sheet and the ball from the same height.

What do you observe?

The plain sheet of paper reaches the surface of the Earth first and the paper crumpled into a ball reaches later
Both the paper crumpled into a ball and the plain sheet of paper have reached the surface of the Earth almost at the same time
The paper crumpled into a ball reaches the surface of the Earth first and the plain sheet of paper reaches later

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22. Activity - IV

Exercise condition: