KS3 Reversible and Irreversible Changes Quiz

Question 1

Question

Which of these is a reversible change?

Answer

baking bread

Image:
Baking Bread (image/png)
boiling water

Image:
Boiling Water (image/png)
frying chips

Image:
Frying Chips (image/png)
grilling sweetcorn

Image:
Grilling Sweetcorn (image/png)

Question 2

Question

The arrows on the diagram show changes of state. Which letter shows melting?

Image:

Sold Liquid Gases Changes (image/png)

Answer

Question 3

Question

The arrows on the diagram show changes of state. Which letter shows condensing?

Image:

Sold Liquid Gases Changes (image/png)

Answer

Question 4

Question

The substances in a mixture:

Answer

are always the same colour.
are chemically joined together.
can be separated.
are always liquids.

Question 5

Question

Filtration can be used to separate a mixture of:

Answer

salt and water.
sand and salt.
sand and water.
sugar and salt.

Question 6

Question

Sieving can be used to separate a mixture of:

Answer

sand and flour.
sand and sugar.
stones and sand.
salt and water.

Question 7

Question

Which of these substances dissolves in water?

Answer

flour
salt
sand
stones

Question 8

Question

Sophie and her dad are cooking in the kitchen. Sophie spills some flour onto some raisins. Tick ONE box to show the equipment Sophie could use to separate the flour from the raisins quickly.

Image:

Flour & Raisins (image/png)

Answer

wooden spoon

Image:
Wooden Spoon (image/png)
sieve

Image:
Seive (image/png)
weighing scales

Image:
Weighing Scales (image/png)
filter

Image:
Filter (image/png)

Question 9

Question

Connor was testing some solid powders to see if they dissolved. The diagram shows his results. Which solid did not dissolve?

Image:

Which Substance Did Not Dissolve (image/png)

Answer

Question 10

Question

John is making a clay pot. Which stage in the process is an example of an irreversible change?

Image:

Making Clay Pot (image/png)

Answer

cutting the clay
wetting ther clay
shaping the clay
baking the clay

Question 11

Question

Milo separatesa mixture of sand, salt and sugar. He puts the solids into some water and stirs. Then he pours the mixture thrtough filter paper. What weould he find in the filter paper?

Image:

Milo Separates Mixture (image/png)

Answer

sand and salt
sugar and salt
sand only
sugar only

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KS3 Reversible and Irreversible Changes Quiz

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Resource summary

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

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	Created by Jeffrey Piggott over 7 years ago