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=,
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=D,
Correct answer= D,
- 4 glass containers, A, B, C and D, were each filled with 200cm3 of water as shown below.
In which container will the water evaporate the fastest?
Your answer=B,
Correct answer= B,
- 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=B,
Correct answer= B,
- A glass of milk has the same volume as a block of butter.
They both __________________________________.
Your answer=D,
Correct answer= D,
- The layer of air that covers the surface of the Earth is known as ______________.
Your answer=C,
Correct answer= C,
- 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=B,
Correct answer= B,
- Samy made some statements about the plant shown below.
Which of the following statement(s) he made was/were correct?
A: It can reproduce.
B: It can move on its own.
C: It does not need food to stay alive.
Your answer=C,
Correct answer= C,
- Some drivers along a road noticed a fire engine and gave way to it.
What senses did all these drivers use to come to this decision?
A: Sense of sight
B: Sense of touch
C: Sense of smell
D: Sense of hearing
Your answer=B,
Correct answer= B,