Kelly observed that bubbles were released when she squeezed a sponge in water.
Which 1 of the following statements correctly explains why it happened?
Your answer=,
Correct answer= B,
- Study the diagram below carefully and identify the correct parts, P, Q and R of the plant.
| P
| Q
| R
|
(1)
| Stem
| Fruit
| Leaf
|
(2)
| Root
| Leaf
| Stem
|
(3)
| Leaf
| Stem
| Fruit
|
(4)
| Fruit
| Flower
| Root
|
Your answer=,
Correct answer= B,
- 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,
- 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=,
Correct answer= B,
- In the morning, Julia noticed water droplets on the outside of the cars even though it did not rain the night before.
Which 1 the following statements explains what happened?
Your answer=,
Correct answer= B,
- When the weather is very cold, 'white clouds' seem to be coming out of our mouths when we speak and breathe out.
This is because of the change in the states of water from _____________________.
Your answer=,
Correct answer= C,
- 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,
- 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,
- Su Lin wants the water in the glass to dry up as quickly a possible.
She should ________________________________________.
Your answer=,
Correct answer= B,
- The graph below shows the change in temperature of ice as it was being heated over a flame for a period of time and left to cool. Use the information in the graph to answer questions 13 and 14.
The flame was removed after the _______ minute.
Your answer=,
Correct answer= C,