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Primary Science · Year 5Chapter 6 · Solutions and separating mixtures
Year 5 Science · Solutions and separating mixtures · Test yourself

Year 5 Science Solutions and separating mixtures: check-up and practice test questions

Part of the Year 5 Science solutions and separating mixtures chapter. Chapter overview · whole chapter on one page

Exercise 6Z  Check-up

1
Which solid in the table in section 6.1 does not dissolve in water? Write the word.
Solid stirred into waterDoes it dissolve?
saltyes
sugaryes
sandno
pebblesno
2
In a salt and water solution, what is the solvent? Write the word.
3
What is the name for a mixture in which a solid has dissolved in a liquid? Write the word.
4
Look at the salt table in section 6.3. How many grams of salt were left after 2 days? Write the number.
Days in a warm, dry placeGrams of salt left in the dish
00
14
28
5
Which process turns water into water vapour, so that a dissolved solid is left behind? Write the word.
6
Look at the sieve picture in section 6.4. Which particles fall through the holes? Write the word.
sand has fallen into the tray; pebbles stay on the sieve
7
Which method would separate a mixture of sand and water? Write the word.
8
Which method would separate a mixture of salt and water? Write the word.
9
Which method would separate a mixture of sand and pebbles? Write the word.
10
Explain why the salt is still in the dish after the water has evaporated. Write one sentence.

Total 18 marks. Allow about 18 minutes.

Exercise 6X  Practice test questions

1
FWrite the word for a mixture in which a solid has dissolved in a liquid.[1 mark]
2
FIn a sugar and water solution, which substance is the solute? Write the word.[1 mark]
3
FWhich method separates a dissolved solid from its solvent? Write the word.[1 mark]
4
FLook at the salt table in section 6.3. How many grams of salt were left after 1 day? Write the number.
Days in a warm, dry placeGrams of salt left in the dish
00
14
28
[1 mark]
5
FLook at the salt table in section 6.3. How much more salt was left after 2 days than after 1 day? Write the number of grams.
Days in a warm, dry placeGrams of salt left in the dish
00
14
28
[2 marks]
6
RWhich method would separate sand from water? Write the word, and give one reason in one sentence.[2 marks]
7
RExplain why a sieve can separate sand from pebbles, but cannot separate salt from water. Write one sentence.[3 marks]
8
RA dish of salt water is left in a warm, dry place for two days. Explain what happens to the water, and what is left in the dish. Write two sentences.[3 marks]
9
PSMo says: “Sugar is the solvent in sugar and water.” Is Mo right? Write no, and give the correct word for the sugar.[2 marks]
10
RLook at the method table in section 6.5. Write the method for the mixture of sugar and water, and the reason, in one sentence.
MixtureMethod to separate itWhy this method works
sand and waterfilteringthe sand is a solid that does not dissolve, so filter paper holds it back
salt and waterevaporatingthe salt dissolves, so it must be left behind when the water evaporates
sand and pebblessievingthe particles are different sizes, so a sieve keeps the big pieces
sugar and waterevaporatingthe sugar dissolves, and the water evaporates to leave the sugar
[2 marks]
← Chapter 5: Properties and uses of materialsChapter 7: Reversible and irreversible changes →

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