Particles revision quiz Y7

https://www.youtube.com/watch?v=UGiuR94wk-A&ab_channel=NehalAnbar

Watch the video.

What piece of equipment is used to seperate the small and large objects?

• distillation tube

• filter paper

• sieve

• bunsen burner

Which of these is a pure substance?

• sea water

• cola

• salt

• bread

When you add salt to water, the salt ________

True or false-

Solutes disolve more quickly in hotter water.

• True

• False

What is evaporation?

• When a liquid is cooled and becomes a solid.

• When a liquid is heated and becomes a gas.

• When a gas cools and becomes a liquid.

• When a solid is heated and becomes a liquid.

What is condensation?

• When a liquid is cooled and becomes a solid.

• When a liquid is heated and becomes a gas.

• When a gas cools and becomes a liquid.

• When a solid is heated and becomes a liquid.

Draw a SCIENTIFIC DRAWING showing the setup for evaporating a solution.

How could I seperate salt and water?

Answer explanation

We can seperate a solution like salt and water by heating it so the water evaporates, leaving behind the salt.

What is this proccess called?

• evaporation

• filtration

• distillation

• chromatography

When no more salt disolves in a solution, that means the solution is...

• saturated

• full

• evaporated

• filtered