Separating Techniques Revision

• Science
• Lower Secondary (Key Stage 3)

Separating Techniques Revision

Match the lab equipment to its name.

Beaker

Conical Flask

Tripod

Bunsen Burner

Test Tube

Measuring Cylinder

Gauze

Funnel

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Is this substance pure?

1. Yes
2. No

Mixtures

Pure substances

Elements

Not elements

Compound: atoms of 2 or more elements strongly joined together.

Element or compound?

1. Element
2. Compound

Element or compound?

1. Element
2. Compound

Element or compound?

1. Element
2. Compound

Element or compound?

1. Element
2. Compound

How many elements can you see?

1. 2
2. 4
3. 7
4. 13

How many atoms can you see?

1. 2
2. 3
3. 7
4. 13

How many compounds can you see?

1. 2
2. 4
3. 7
4. 13

Describe these particles in as much detail as possible.

Describe these particles in as much detail as possible.

Describe these particles in as much detail as possible.

Name each separation technique.

Filtration

Evaporation

Distillation

Chromatography

Which mixture could be separated by filtration?

1. Oil + water
2. Sand + water
3. Sand + salt
4. Salt + water

The solid collected by the filter paper is called the...

1. Filtrate
2. Mixture
3. Residue

The liquid that passes through the filter paper is called the...

1. Filtrate
2. Mixture
3. Residue

Filter paper

Funnel

Beaker

Residue

Filtrate

Mixture

Clamp

Put the steps in order.

Add water to the mixture of salt and sand. Stir carefully.

Collect the filtrate.

Set up the apparatus.

Pour the mixture of salt, sand and water into the funnel.

1

2

3

4

What is this separation technique called?

Label the apparatus.

Evaporating basin

Gauze

Bunsen

burner

Heatproof mat

Tripod

Filtration separates...

1. an insoluble solid from a liquid.
2. a soluble solid from a liquid.

Filtration

Evaporation

Distillation

Separates

Example

Insoluble solid from liquid.

Soluble solid from liquid.

Soluble solid and liquid.

Sand and water.

Salt and water.

Ink and water.