Year 5

How can we separate river water into separate substances?

In this lesson, we will plan and evaluate a method to separate soil and gravel from river water.

Year 5

How can we separate river water into separate substances?

In this lesson, we will plan and evaluate a method to separate soil and gravel from river water.

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Lesson details

Key learning points

  1. Separate substances in river water
  2. Evaluate the method for separating substances in river water
  3. Suggest how an environmental scientist could check the water quality in a river

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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6 Questions

Q1.
A soluble solid dissolves in water.
False
Correct answer: True
Q2.
The solid that dissolves in a liquid is called...
A formulation.
Correct answer: A solute.
A solution.
A solvent.
Q3.
The liquid a solid dissolves in is called...
A formulation.
A solute.
A solution.
Correct answer: a solvent.
Q4.
Salt is an example of...
A formulation.
Correct answer: A soluble solid.
A solvent.
An insoluble solid.
Q5.
Sand is an example of...
A formulation.
A soluble solid.
A solvent.
Correct answer: An insoluble solid.
Q6.
Which two processes are required to separate salt, sand and water?
A magnet and filtering.
Correct answer: Filtering and evaporation.
Sieving and evaporation.
Sieving and filtering.

5 Questions

Q1.
An insoluble solid can be dissolved in water.
Correct answer: False
True
Q2.
Which separating technique is used to separate a soluble solid from a liquid?
Correct answer: Evaporation
Filtration
Magnets
Sieving
Q3.
Which separating techniques are used to separate an insoluble solid from a liquid? Pick two answers.
Evaporation
Correct answer: Filtration
Magnets
Correct answer: Sieving
Q4.
Why can soil and stones be separated using sieving?
One of the substances has a higher boiling point.
Correct answer: One of the substances has bigger particles.
One of the substances is magnetic.
Soil and stones cannot be separated by sieving.
Q5.
What type of word do you start an instruction with?
A fronted adverbial.
A noun.
Correct answer: A verb.
An adjective.