Mass and Weight: A Comprehensive Guide for Year 8 Maths Students

Question 1

Convert 500 grams to kilograms.

Accepted Answer

0.5 kg

Answer

5 kg

Answer

50 kg

Answer

500 kg

Question 2

Mass and weight are the same thing.

Accepted Answer

False

Answer

True

Question 3

Which of the following is the best way to measure the mass of a small object?

Accepted Answer

Kitchen scale

Answer

Bathroom scale

Answer

Measuring tape

Answer

Ruler

Question 4

When measuring the mass of an object using a balance, why is it essential to ensure it is calibrated correctly?

Accepted Answer

Calibration corrects for any errors in the balance, ensuring accurate mass measurements.

Answer

Calibration enhances the sensitivity of the balance.

Answer

Calibration is only necessary for digital balances, not mechanical ones.

Question 5

Convert 150 grams to kilograms.

Accepted Answer

0.15 kilograms

Answer

15 kilograms

Answer

0.015 kilograms

Answer

1.5 kilograms

Question 6

A bag of flour contains 500 grams of flour. Convert this to kilograms.

Accepted Answer

0.5 kilograms

Answer

5 kilograms

Answer

50 kilograms

Answer

0.05 kilograms

Question 7

Which of the following is the correct unit of mass?

Accepted Answer

Kilogram

Answer

Metre

Answer

Second

Answer

Litre

Question 8

Convert 2 kilograms of rice to grams.

Accepted Answer

2,000 grams

Answer

2 grams

Answer

20 grams

Answer

200 grams

Question 9

Which of the following does NOT affect the mass of an object?

Accepted Answer

Its location

Answer

The material it is made of

Answer

Its size

Answer

Its temperature

Question 10

Convert the scale reading of 5.2 kilograms to grams.

Accepted Answer

5,200 grams

Answer

52 grams

Answer

520 grams

Answer

52,000 grams

Question 11

Which unit is the correct symbol for kilograms?

Accepted Answer

kg

Answer

Kg

Answer

g

Answer

G

Question 12

Which of the following is a reasonable estimate for the mass of a human brain?

Accepted Answer

500 grams

Answer

100 grams

Answer

1 kilogram

Answer

5 kilograms

Question 13

How does mass influence an object's weight?

Accepted Answer

Mass is directly proportional to weight.

Answer

Mass has no effect on weight.

Answer

Mass is inversely proportional to weight.

Answer

Mass is only related to weight in certain environments.

Question 14

Which of the following is NOT a unit of mass?

Accepted Answer

Meter

Answer

Gram

Answer

Kilogram

Answer

Pound

Question 15

Convert 1500 grams to kilograms.

Accepted Answer

1.5 kg

Answer

0.15 kg

Answer

15 kg

Answer

150 kg

Question 16

Which of these objects generally has the greatest mass?

Accepted Answer

A small car

Answer

A large cardboard box

Answer

A small bag of marbles

Answer

A grain of sand

Question 17

Which of these is NOT a unit of mass?

Accepted Answer

Newton

Answer

Ton

Answer

Pound

Answer

Gram

Question 18

Generally, which of these objects has the least mass?

Accepted Answer

A feather

Answer

A paperclip

Answer

A coin

Answer

A pebble

Question 19

A watermelon weighs 4 kg. Express its mass in grams.

Accepted Answer

4000 grams

Answer

40 grams

Answer

400 grams

Answer

40000 grams

Question 20

A box contains 10 apples each weighing 120 grams. What is the total mass of the apples in kilograms?

Accepted Answer

1.2 kg

Answer

0.12 kg

Answer

12 kg

Answer

120 kg

Question 21

Which of the following activities commonly involves measuring mass?

Accepted Answer

Baking a cake

Answer

Measuring the length of a pencil

Answer

Checking the temperature of a room

Answer

Measuring the volume of a liquid

Question 22

Convert 3500 grams to kilograms.

Accepted Answer

3.5 kg

Answer

0.35 kg

Answer

35 kg

Answer

350 kg

Question 23

What is the definition of mass?

Accepted Answer

The amount of matter an object contains

Answer

The force exerted on an object by gravity

Answer

The space an object takes up

Answer

The speed an object is traveling

Question 24

How many grams are there in 2.5 kilograms?

Accepted Answer

2500

Answer

250

Answer

25,000

Answer

250,000

Question 25

Which of the following is the best tool for measuring the mass of a small object?

Accepted Answer

Spring balance

Answer

Bathroom scales

Answer

Weighing machine

Answer

Ruler

Question 26

What is the difference between mass and weight?

Accepted Answer

Mass is a measure of the amount of matter in an object, while weight is a measure of the force exerted on an object by gravity.

Answer

Mass is a measure of the force exerted on an object by gravity, while weight is a measure of the amount of matter in an object.

Answer

Mass and weight are the same thing.

Answer

Mass is measured in grams, while weight is measured in kilograms.

Question 27

How is density calculated?

Accepted Answer

Divide the mass by the volume

Answer

Multiply the mass and the volume

Answer

Subtract the mass from the volume

Answer

Add the mass and the volume

Question 28

A bag of sugar weighs 1,000 grams. How many kilograms does it weigh?

Accepted Answer

1 kg

Answer

0.001 kg

Answer

0.01 kg

Answer

0.1 kg

Question 29

What is the fundamental unit of mass in the International System of Units (SI)?

Accepted Answer

Kilogram

Answer

Gram

Answer

Tonne

Answer

Pound

Question 30

How many kilograms are there in 1000 grams?

Accepted Answer

1

Answer

0.01

Answer

0.1

Answer

10

Question 31

Which of the following tools is used to measure mass?

Accepted Answer

Spring balance

Answer

Ruler

Answer

Microscope

Answer

Thermometer

Question 32

How many grams are there in 0.5 kilograms?

Accepted Answer

500 grams

Answer

50 grams

Answer

5000 grams

Answer

50000 grams

Question 33

In the International System of Units (SI), what is the base unit of mass?

Accepted Answer

Kilogram

Answer

Gram

Answer

Tonne

Answer

Pound

Question 34

A packet of rice weighs 1200 grams. Express its mass in kilograms.

Accepted Answer

1.2 kg

Answer

0.12 kg

Answer

12 kg

Answer

120 kg

Question 35

Which of these objects is likely to have the greatest mass?

Accepted Answer

A car

Answer

A grain of sand

Answer

A pencil

Answer

A book

Question 36

What is the mass of 2 litres of water?

Accepted Answer

2 kilograms

Answer

2 grams

Answer

200 grams

Answer

2000 kilograms

Question 37

Which of these materials is likely to have the highest density?

Accepted Answer

Iron

Answer

Air

Answer

Water

Answer

Cotton

Question 38

Which unit is used to measure mass?

Accepted Answer

Grams

Answer

Kilometers

Answer

Liters

Answer

Centimeters

Question 39

Which of the following actions involves measuring mass?

Accepted Answer

Weighing a bag of apples

Answer

Measuring the length of a pencil

Answer

Counting the number of students in a class

Answer

Measuring the temperature of a room

Question 40

A bag of sugar contains 1,000 grams of sugar. A smaller bag contains half as much sugar. What is the mass of the smaller bag in kilograms?

Accepted Answer

0.5 kg

Answer

0.25 kg

Answer

1 kg

Answer

2 kg

Question 41

What is the correct way to measure the mass of a solid object?

Accepted Answer

Use a scale

Answer

Use a thermometer

Answer

Use a measuring cup

Answer

Use a stopwatch

Question 42

A bag of flour has a mass of 1.5 kg. A bag of sugar has a mass of 0.75 kg. What is the total mass of the two bags?

Accepted Answer

2.25 kg

Answer

0.75 kg

Answer

1.5 kg

Answer

3 kg

Question 43

What is the unit of mass in the International System of Units (SI)?

Accepted Answer

Kilogram

Answer

Gram

Answer

Tonne

Answer

Pound

Question 44

Change 3500 grams to kilograms.

Accepted Answer

3.5 kg

Answer

0.35 kg

Answer

35 kg

Answer

350 kg

Question 45

Which item in the list below has the greatest mass?

Accepted Answer

An elephant (5000 kg)

Answer

A bag of sugar (500 g)

Answer

A bicycle (15 kg)

Answer

A car (1000 kg)

Question 46

Which of these is NOT a tool for measuring mass?

Accepted Answer

Measuring tape

Answer

Spring balance

Answer

Bathroom scales

Answer

Electronic balance

Question 47

A parcel has a mass of 1.5 kg. How many grams is this?

Accepted Answer

1500 g

Answer

150 g

Answer

15 kg

Answer

15000 g

Question 48

Which item in the list has a mass of approximately 0.001 kg?

Accepted Answer

A grain of sand

Answer

A small apple

Answer

A bag of flour

Answer

A car

Question 49

A box contains 3 identical apples. Each apple weighs 200 grams. What is the total mass of all the apples in the box?

Accepted Answer

600 grams

Answer

400 grams

Answer

203 grams

Answer

6000 grams

Question 50

Which unit of measurement is NOT used to measure mass?

Accepted Answer

Celsius

Answer

Grams

Answer

Milligrams

Answer

Kilograms

Question 51

A recipe requires 250 grams of flour. You have a kitchen scale that only measures in kilograms. How many kilograms of flour do you need?

Accepted Answer

0.25 kg

Answer

0.025 kg

Answer

25 kg

Answer

2.5 kg