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Separating Mixtures Techniques

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Separating Mixtures Techniques

At a fruit orchard, people are preparing produce and cleaning up after a busy day. Help choose ways to separate mixtures. Read each question carefully. One method uses a porous barrier to separate an insoluble solid from a liquid; another lets a liquid change into vapour so a dissolved solid can be recovered.

Choose the right technique

Use what you know about particle size, solubility and changes of state.

1.A person has tea leaves mixed with brewed tea in a pot. Which technique will separate the leaves from the liquid?

Filtration
Evaporation
Melting

2.A person pours muddy water through filter paper. What is the solid trapped on the paper called, and what is the liquid that passes through called?

3.A person wants to collect salt from a small dish of salty water. Which method should they use, and what happens to the water?

4.Select every item needed for a basic setup using filter paper to separate an insoluble solid from a liquid.

Funnel
Filter paper
Beaker to collect the liquid that passes through
Magnet

5.True or false: Filter paper can separate dissolved sugar from water because the sugar particles are trapped in the paper.

TrueFalse

6.Complete the statement: An insoluble solid is trapped while liquid passes through in .

7.Complete the statement: A liquid changes into vapour, leaving dissolved solid behind, in .

Plan the orchard clean-up

Choose a method that suits the mixture, then explain your thinking.

8.Match each orchard task to the most suitable technique: separating pulp from fruit juice; recovering salt from salty water; removing sand from water.

Separating pulp from fruit juice
Recovering salt from salty water
Removing sand from water

Evaporation
Filtration
Filtration

9.A person has a mixture of sand, salt and water. Describe a sequence of steps that could separate the sand and then recover the salt. Name the technique used at each step.

Technique

Mixture example

What is collected or left behind?

Technique

Mixture example

What is collected or left behind?

10.A worker filters cloudy orchard wash-water and the filtrate is still cloudy. Give one scientific reason why this could happen.

11.A person says, “When salty water evaporates, the salt disappears too.” Explain what is wrong with this claim, using the idea of a mixture and a change of state.

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Separating Mixtures Techniques

Separating Mixtures Techniques

Choose the right technique

Plan the orchard clean-up

3 printable pages

About This Worksheet

Free in Kuraplan

Print-Ready

AI-Generated

For Teachers & Parents

Need a custom version of this worksheet?

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