Mixing Materials

What equipment do you use to separate metals from rocks.

• Sieve

• Cheesecloth

• Magnet

• Filter

Which ones are methods of separation.

• Sifting

• Dissolving

• Mixing

• Filtering

What is it called when two materials are mixed together?

• Soluble

• Mixture

• Separation

• Filtration

Which method can be used to separate liquids and solids?

• Filtration

• Dissolving

• Sifting

• Magnets

Name the materials that you would need to make a simple filter that can be used for filtering dirty water.

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What gas do humans breathe out?

• Carbon dioxide

• Oxygen

• Nitrogen

• Neon

Is sea water safe to drink? Explain your answer.

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Which items are solids?

• Oxygen

• Milk

• Clothes

• Water bottle

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What gas do humans breathe in?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

Which is a liquid?

• Salt

• Sugar

• Flour

• Water