1. 1. Aston needs to fill a bottle with exactly 55.0 cm³ of a solution. Which of the following will he use?

• A. beaker

• B. conical flask

• C. displacement can

• D. graduated cylinder

2. 2. Which of the following contains an element, a compound and a mixture?

• A. air, carbon and salt

• B. air, tap water and tea

• C. carbon, iron and oxygen

• D. carbon dioxide, salt and sugar

3. 3. After several experiments, a scientist came up with a new theory. However, there are some members of the scientific community who have opposing views about the theory. What will true scientists do?

• A. Take a vote to decide who is correct.

• B. Reject the discovery that was reported. 

• C. Ignore the scientists who disagree with the discovery.

• D. Have other scientists repeat the scientist’s experiments.

4. In which organ does almost all enzymatic digestion of food occur?

• A. large intestine

• B. pancreas

• C. small intestine

• D. stomach

5. 5. Which of the following groups are all vertebrates?

• A. leopard, owl, rabbit

• B. monkey, cat, earthworm

• C. zebra, jellyfish, rat

• D. beetle, octopus, starfish

6. 6. Which is NOT a warning sign of a tsunami?

• A. There is an earthquake.

• B. The sky suddenly clears.

• C. Seawater suddenly retreats from the shore.

• D. You hear a train-like roaring sound from the sea.

7. 7. Which of the following gives the correct description of a compound?

• A. A compound has the same properties as its constituent elements

• B. A compound can only be decomposed by heat into its constituent elements.

• C. A compound consists of two or more elements chemically combined together

• D. A compound has the same physical state as its constituent elements.

8. 8. Why is crystallization used to obtain sugar from sugar solution instead of evaporation by direct heating?

• A. Sugar decomposes into carbon and water upon direct heating.

• B. Sugar obtained by direct heating is less pure than the sugar obtained by crystallization.

• C. The amount of sugar obtained by direct heating is less than the amount of sugar obtained by crystallization.

• D. The time taken to obtain sugar through direct heating is longer than crystallization.

9. 9. Where would evaporation be the greatest?

• 1. A. Northern hemisphere

• B. Near the equator

• C. Southern hemisphere

• D. Atlantic ocean

10.  10. Leonard played the game below where he had to use a stick to hit a ball that would hit another. ball. He wins the game when the second ball drops into a hole.

Which of the following shows the effect of the force acting on the second ball?

• A. A  force can cause a moving object to stop.

• B. A force can change the shape of the object.

• C. A force can cause an object to start moving.

• D. A force can change the direction of the moving object.