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,
- Selina did an experiment to find out the properties of solids X, Y and Z. The result of her experiment is shown in the table below.
Solids
| X
| Y
| Z
|
Does it become flat when hit?
| No
| Yes
| No
|
Does it break into pieces when dropped?
| Yes
| No
| No
|
Is it wrapped?
| Yes
| Yes
| Yes
|
In what ways are solids X and Z similar?
A: They both do not become flat when hit.
B: They both break into pieces when dropped.
C: They both are waterproof.
Your answer=A,
Correct answer= C,
- A glass of milk has the same volume as a block of butter.
They both __________________________________.
Your answer=C,
Correct answer= D,
- Countries that face water shortage can ___________________.
A: reuse water
B: recycle water
C: obtain water from seawater
D: build more reservoirs to collect rainwater
Your answer=D,
Correct answer= D,
- Which 1 of the following animals is not correctly matched to its breathing part?
| Animals
| Breathing parts
|
(1)
| Mud skipper
| Gills
|
(2)
| Dog
| Lungs
|
(3)
| Seal
| Lungs
|
(4)
| Whale
| Gills
|
Your answer=D,
Correct answer= D,
- 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=C,
Correct answer= B,
- In the Earth's water cycle, when water vapour condenses, it _______________.
Your answer=C,
Correct answer= C,
- A girl observed that a fruit was thorny and had an unpleasant smell. Name all the sense that can help her to male these observations.
A: Sense of smell
B: Sense of sight
C: Sense of taste
D: Sense of touch
Your answer=C,
Correct answer= C,
- Plants spread their branches and leaves to get as much _____________ as possible.
A: food
B: water
C: sunlight
Your answer=D,
Correct answer= B,
- A measuring cylinder was filled with some water. Then 2 identical marbles were added to it.
What is the volume of each marble?
Your answer=A,
Correct answer= A,