Autumn 2 Y5 science-materials

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Lesson 1- properties of materials (revisit the Y2 quiz on materials for lesson 1)

Tick all the potential properties of a material:

5 points

price

nylon

cotton

durability

wool

transparency

electrical conductivity

thermal conductivity

Can you think of the property for why each material has been used.

2 points

1. copper metal wire

2. Plastic outer casing

A good electrical insulator

A good electrical conductor

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Lesson 2- which material is best?

2 points

1. thermal conductor

2. thermal insulator

Heat passes through easily

Heat does not pass through easily.

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3 points

1. Dependent variable

2. Independent variable

3. Control variable

Variables that stay the same.

Variable that changes

What is measured

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Lesson 3- solubility

3 points

Mixture

Dissolving

solvent

Process where one one material becomes incorporated into the other.

a substance that can dissolve other substances.

substance made by mixing tow or more substances.

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2 points

mixture

dissolved solution

Sand in water

Sugar in water

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Lesson 4- separating mixtures

To separate a mixture of rock and sugar use...

1 point

1. a filter

2. a magnet

3. a sieve

a cup of tea.

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To separate sand and water use...

1 point

1. a filter

2. a magnet

3. a sieve

4. a cup of tea

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To separate paperclips from sand, use...

1 point

1.a filter

2. a magnet

3. a sieve

4. a cup of tea

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To separate a dissolved solution of sugar and water...

1 point

1. Use filtration

2. use evaporation

3. Use a solution

4. Use transportation

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Lesson 5- reversible and irreversible changes

2 points

1. Reversible changes

2. Irreversible changes

Can be undone

Cannot be undone.

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6 points

1. Reversible

2. Irreversible

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6 points

1. Reversible

2. Irreversible

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