P3 Science

Which one of the following statements is true?

• A butterfly needs air to survive.

• A tree does not need food to stay alive.

• A guitar can respond to changes around it.

• A car can move by itself from place to place.

Hai Sheng has had a robot for several years. Which of the following graphs correctly shows the height of the robot over the years?

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Flowering plants only produce flowers ____________________.

A: during the rainy season

B: when the conditions are right

C: after they have produced fruits

D: when they become adult plants

• B and C only

• B and D only

• C and D only

• A, B, C and D

Which one of the following statements about the life cycle of a plant is correct?

• There are four stages in the life cycle of a plant.

• After the adult plant produces seeds, it will die immediately.

• As the seed grows, the shoot grows first followed by the root.

• The young plant starts making its own food when the leaves develop.

The properties of four objects are recorded in a table as shown. Which one of the following is property R?

• Stiff

• Strong

• Flexible

• Waterproof

Four thin sheets of materials, W, X, Y and Z, of similar sizes, were weighed individually before they were put into 4 beakers containing equal amount of water. After 15 minutes, each sheet was weighed again. Their masses were recorded in the table. Which material is most suitable to make a rain coat?

• W

• X

• Y

• Z

Which one of the following is an example of matter?

• air

• light

• music

• shadow

The table shows the properties of four items. Which of the items is correctly described?

• sponge

• oxygen

• metal ball

• cough syrup

Classification is ______________________________.

• a way of grouping things together

• the study of living and non-living things

• the diversity of things around our world

• a way of learning about the things around us

Elsa wanted to carry out an experiment to show that living things need air to stay alive. Which two set-ups should she use to do a fair test?

• A and B

• A and D

• B and C

• C and D