Matter MCQ PS Answers

1.
1 pt(s).
Janet investigated the strength of model bridges. She added weights to each bridge until the bridge collapsed. Janet wanted to find out how the length of a bridge affects its strength. Which two boxes show the experiments she should compare for a fair test?

correct answer choice answer choice you marked A. 2 and 3
B. 2 and 4
C. 1 and 2
D. 1 and 3
2.
1 pt(s).
Janet investigated the strength of model bridges. She added weights to each bridge until the bridge collapsed. Janet compared the experiments in boxes 1 and 4. What was she trying to find out?

A. How the length of the bridge affects the strength of the bridge
correct answer choice answer choice you marked B. How the material from which the bridge is made affects the strength of the bridge
C. How the shape of the brdige affects the strength of the bridge
D. If the bridge will fall down
3.
1 pt(s).
A road tanker delivers unleaded petrol, super-unleaded petrol and diesel to a filling station. The volume of unleaded petrol in the tanker is 6 600 litres. The volume of super-unleaded petrol is 1200 litres. Calculate the total volume of petrol.

A. 5400l
correct answer choice answer choice you marked B. 7800l
C. 18600l
D. 7920000l
4.
1 pt(s).
A road tanker delivers unleaded petrol, super-unleaded petrol and diesel to a filling station. The volume of unleaded petrol in the tanker is 6 600 litres. The volume of super-unleaded petrol is 1200 litres. The total volume of all three fuels in the tanker is 11000 litres. Calculate the volume of diesel.

A. 5400l
B. 7800l
C. 18800l
correct answer choice answer choice you marked D. 3200l
5.
1 pt(s).
A plumber fitted a 12 kg water tank in a house. He connected 4 copper pipes to the tank. Each pipe had a mass of 2 kg. What is the total mass of the water tank and the four pipes?

A. 12kg
B. 14kg
correct answer choice answer choice you marked C. 20kg
D. 56kg
6.
1 pt(s).
The wreck of a Spanish galleon was found by divers. The divers found five gold coins. The total mass of the five coins was 125 g. Calculate the mass of one coin.

A. 40g
correct answer choice answer choice you marked B. 25g
C. 625g
D. 125g
7.
1 pt(s).
The diagram below shows 20 grams of two different materials, A and B, on a laboratory balance. Compared to material A, material B has a different

A. state
B. mass
C. shape
correct answer choice answer choice you marked D. density
8.
1 pt(s).
Examine the diagram below which represents four processes, labeled A, B, C, and D, that occur when water changes phase. Which process is represented by B?

A. condensing
B. evaporating
correct answer choice answer choice you marked C. freezing
D. melting
9.
1 pt(s).
Examine the diagram below which represents four processes, labeled A, B, C, and D, that occur when water changes state. Which two processes increase the motion of the molecules?

A. A and B
B. B and C
correct answer choice answer choice you marked C. C and D
D. D and A
10.
1 pt(s).
The diagram below shows a tall beaker with four different liquids and their densities. If a ball that has a density of 1.73 g/cm3 is placed in the beaker, where will the ball come to rest?

A. on top of liquid A
B. between liquids B and C
correct answer choice answer choice you marked C. between liquids C and D
D. on the bottom of the beaker

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