A beaker containing water at 10° C was left on a table at room temperature. After 5 minutes, water droplets were observed on the outer surface of the beaker.
What inferences can be made based on the experiment above?
A: The room temperature is higher than 10° C.
B: Condensation has taken place.
C: The water droplets come from the water in the beaker.
Your answer=,
Correct answer= A,
- Ali heated some tap water in a beaker. He allowed it to boil for 5 minutes and then left it in the beaker to cool to room temperature. He recorded the temperature at 5-minute intervals.
Which 1 of the following graphs would correctly represent his data?
Your answer=,
Correct answer= D,
- Air is matter because it _________________.
A: has mass
B: occupies space
C: cannot be compressed
Your answer=,
Correct answer= B,
- The boxes below represent the different states of water in the water cycle.
Which of the following correctly describe A?
A: It is made up of tiny water droplets.
B: It is formed when water evaporates.
C: It is invisible.
Your answer=,
Correct answer= D,
- The table below shows 4 households, A, B, C and D trying to save water over a period of 4 months. The table shows how much water each household had been using each month.
Which family appears to have been the least effective in its attempts to save water over the 4 months?
| Amount of water used each month (m3)
|
| January
| February
| March
| April
| 17
| 17 | 18
| 19
| 15
| 14
| 15
| 14
| 18
| 19
| 15
| 14
| 16
| 16
| 15
| 15
|
|
Your answer=,
Correct answer= A,
- Plants spread their branches and leaves to get as much _____________ as possible.
A: food
B: water
C: sunlight
Your answer=,
Correct answer= B,
- What was the room temperature?
Your answer=,
Correct answer= C,
- The layer of air that covers the surface of the Earth is known as ______________.
Your answer=,
Correct answer= C,
- A glass of milk has the same volume as a block of butter.
They both __________________________________.
Your answer=,
Correct answer= D,
- Which of the following conditions must be present for the water cycle to continue to take place?
A: There must be light
B: There must be hear
C: There must be wind
D: Water must change state
Your answer=,
Correct answer= D,