P4 30/4 Quiztopia 1.1 (template)

Hello students! This quiz aims to revise your concepts on Matter and Light! 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!

• All ready for matter and light!

• Easy peasy!

• Need more practice!

Michelle poured 300 cm³ of water into a beaker.

She then poured another 100 cm³ of oil into the same beaker. 

What is the final volume of liquid in the beaker?

• (1) 300 cm³

• (2) 350 cm³

• (3) 400 cm³

• (4) 500 cm³

Michelle filled some marbles up to the 100 cm³ mark of the beaker and poured 300 cm³  of water in another beaker. She realised that the water level did not reach the 400 cm³ mark of the beaker. Which of the following best explains this observation?

• (1) The marbles absorbed the water.

• (2) The marbles displaced some of the water.

• (3) Marbles have a definite shape while water does not have a definite shape.

• (4) There are air spaces between the marbles, and some water took up the spaces.

The diagram below shows a syringe filled with air attached to a conical flask.

Which of the following correctly shows the changes in the volume of air and oil in the container after the plunger is pushed into the syringe?

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The diagram shows a periscope that uses mirrors to allow people to look at things from a different position.

Which of the following statements correctly explains why we can see a toy through the periscope?

• (1) The toy is a light source.

• (2) The mirror can reflect light.

• (3) The toy can form a shadow.

• (4) Light travels in a straight line.

Gerald walked in a straight line from point B to C and back to A. The distance between A and B is the same as the distance between B and C.

Which one of the following graphs shows how the length of his shadows will change during his walk?

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