Mass and volume test with answers for grade 6 science (free PDF download)

Question 1 Convert units (2 marks)

1. Convert 3.2 kg to grams. (1 mark)
2. Convert 750 mL to litres. (1 mark)

Question 2 Read the cylinder (3 marks)

Use the figure.

1. State the value of one small division. (1 mark)
2. Read the volume of water. (1 mark)
3. State which part of the meniscus is read. (1 mark)

Question 3 Eye level (2 marks)

Explain why you must keep your eye level with the water surface when you read a cylinder.

Question 4 Volume of a key (3 marks)

Mei lowers a metal key into a cylinder. The level rises from 35 mL to 42 mL.

1. Calculate the volume of the key in cm³. (1 mark)
2. Convert this volume to litres. (1 mark)
3. Explain why a ruler is not suitable for finding this volume. (1 mark)

Question 5 Water in a beaker (2 marks)

A beaker has a mass of 62.5 g. With water in it, the balance reads 187.5 g.

1. Calculate the mass of the water. (1 mark)
2. State what the display shows if the beaker is tared before the water is added. (1 mark)

Question 6 Kitchen amounts (3 marks)

Wanjiru has a 2 kg bag of flour and uses 650 g. She also has 5 L of water and fills cups of 600 mL.

1. Calculate the flour left, in kilograms. (1 mark)
2. Calculate how many full cups she can fill. (1 mark)
3. Calculate the water left over, in mL. (1 mark)

Question 7 Choosing a cylinder (2 marks)

Aarav must measure 6 mL. Choose between a 10 mL cylinder and a 100 mL cylinder and justify your choice.

Question 8 Floating cork (3 marks)

A cork floats on water. A sinker alone raises the level from 30 mL to 38 mL. The sinker and cork together raise it to 50 mL.

1. Explain why a sinker is needed. (1 mark)
2. Calculate the volume of the cork. (2 marks)