Which 1 of the following is not a matter?
Your answer=C,
Correct answer= C,
- An empty glass with a piece of tissue paper stuck to its inner surface was lowered into a basin of water. The diagram below shows what was observed when the glass was fully submerged.
What does the experiment show?
Your answer=D,
Correct answer= B,
- The graph below shows the number of fishes in ponds, A, B, C and D, over a period of 6 months.
Which pond contains water that is most likely not polluted?
Your answer=A,
Correct answer= A,
- Selma set up the experiment as shown below. She poured equal amounts of water into 4 different glass containers and placed them under the Sun.
She was testing the effect of the _______________ on the rate of evaporation of water.
Your answer=C,
Correct answer= C,
- Which 1 of the following diagrams correctly shows the exchange of gases between the leaf of a plant and the surrounding air on a dark night?
Your answer=A,
Correct answer= C,
- The air we breathe out contains more ____________ than the air we breathe in.
A: Oxygen
B: Carbon dioxide
C: Nitrogen
Your answer=B,
Correct answer= B,
- In the Earth's water cycle, when water vapour condenses, it _______________.
Your answer=D,
Correct answer= C,
- A group of scientists discovered that certain stretches of the river were polluted with toxic chemicals. Which factory(ies) is/are most likely responsible for the water pollution?
Your answer=B,
Correct answer= B,
- Animal B lives in water. It does not lay eggs. Its young feed on the mother's milk. Animal B belongs to the group of ______________.
Your answer=D,
Correct answer= D,
- The diagram below shows the container with Substance X when placed in different positions.
Based on the diagram above, which of the following statement(s) is/are definitely true?
A: X is a gas.
B: X can be compressed.
C: X occupies space.
Your answer=A,
Correct answer= A,