Science

Question 1

1The SI unit of mass is the

Easy

A. newton B. metre C. kilogram D. gram

Question 2

2The instrument used to measure temperature is the

Easy

A. balance B. thermometer C. barometer D. ammeter

Question 3

3An object will float in water if its density is

Medium

A. always 1 g/cm³ exactly B. equal to 10 g/cm³ C. greater than that of water D. less than that of water

Question 4

4A block has a mass of 80 g and a volume of 20 cm³. Find its density.

Medium

A. 4 g/cm³ B. 5 g/cm³ C. 1,600 g/cm³ D. 0.25 g/cm³

Question 5

51 kilometre equals

Easy

A. 100 metres B. 10,000 metres C. 1,000 metres D. 10 metres

Question 6

6A liquid has a density of 3 g/cm³. The mass of 10 cm³ of it is ___ g.

Medium

Your answer (fill in the blank)

Question 7

7A liquid has a density of 3 g/cm³. The mass of 100 cm³ of it is ___ g.

Medium

Your answer (fill in the blank)

Question 8

8Mass and weight mean exactly the same thing.

Easy

A. True B. False

Question 9

9Density is calculated as

Easy

A. mass × volume B. volume ÷ mass C. mass + volume D. mass ÷ volume

Question 10

10A measuring cylinder measures mass.

Easy

A. True B. False