Materials

Which of the following is the best material to make into the windows of a car?

• metal

• stone

• wood

• glass

Which of the following is the best material to make into a cooking pot?

• metal

• stone

• wood

• plastic

Which of the following is the best material to make into a kite?

• metal

• paper

• fabric

• plastic

Which of the following is the best material to make into a safe box to store valuables?

• metal

• glass

• fabric

• plastic

Pole vaulting is a track and field event in which a person uses a long pole as an aid to jump over a high bar.

What is the important material property of the pole?

(A) strong

(B) flexible

(C) transparent

• A and B only

• A and C only

• B and C only

• A, B and C

Elisha placed three materials, P, Q and R, into a tank of water as shown.

She concluded that :

(1) P and R are made from the same material.

(2) P and Q are made from different materials.

Which conclusion is correct?

• 1 only

• 2 only

• 1 and 2

• none

Which of the following is the set of material properties most necessary to make a measuring cylinder?

• water proof, transparent

• strength, transparent

• able to float, water proof

• strength, able to float

Which of the following is the set of material properties most necessary to make a canoe?

• water proof, flexible

• strength, water proof

• able to float, flexible

• strength, able to float

Which of the following is the set of material properties most necessary to make a fish tank?

• water proof, flexible, transparent

• strength, water proof, transparent

• able to float, transparent, strength

• strength, able to float, water proof

The hammer applied different amount of forces on the steel bar as shown. For each force applied, the amount of bend of the steel bar are recorded.

The aim of this test is to find out _______________.

• the strength of the steel bar

• the flexibility of the steel bar

• the strength of the hammer

• the flexibility of the hammer