P4 12/5 Revision Friday 2 (template)

Hello students! This quiz aims to revise your concepts on Matter and Cycles! Try not to attempt the quiz more than once, as we will only count your answers from your FIRST attempt! No bubbles will be awarded for multiple attempts :) All the best!

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Rebecca set up an experiment to find out if warmth is needed for seeds to germinate. She placed five seeds onto some moist cotton wool in a test tube and placed the test tube near a window in a room. 

Which one of the following set-up should she also use to prove that the presence of warmth is required for seeds to germinate?

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 A sealed empty water bottle was pushed into a tank filled with water as seen in the diagram.

When the bottle cap was removed, which of the following will be observed?

• (1) Water flowing out of the bottle.

• (2) Water level in the tank will increase.

• (3) Bubbles of air escaping from the bottle.

• (4) Air in the bottle remains inside the bottle.

Tim kept some butterflies and plants in a glass tank. He covered the tank with a net. No new living things were added to the tank.

He observed what happened inside the tank for two weeks and recorded his observations in the table as shown.

Name the stage of the life cycle of animal Z. [1]

If Tim removed the plants on day 5, but left animal Z in the tank, what would happen to the number of animal Z after some time? Give a reason for your answer. [2]

Why were there more butterflies on day 13? [1]

Adrian had 3 beach balls, A, B and C, of different volumes as shown.

Which ball(s), A, B, and/or C could Adrian pump 400 cm³ of air in?

• (1) B only

• (2) C only

• (3) A and B only

• (4) A, B and C

Adrian had 3 beach balls, A, B and C, of different volumes as shown.

He pumped 400 cm³ of air into each beach balls.

What property of air is demonstrated in this experiment? [1]