Separating insoluble substances

Panning for gold is an example of decanting. This separates

• Solids from liquids

• Solids from gases

• Liquids from gases

• Liquids from liquids

Sieving involves

• Using only kitchen appliances to separate mixtures

• Large particles getting caught in a barrier and smaller particles passing through

• Small particles getting caught in a barrier and larger particles passing through

• Separating a liquid from another liquid

Dusting icing sugar on desserts is an example of

• Magnetic separation

• Filtering

• Sieving

• Decanting

The difference between sieving and filtering is

• Sieving separates solid particles, filtration separates solids from liquids

• One uses a spinning motion, while the other doesn't

• Sieving separates solids from liquids, filtration separates solid particles

• There are no differences

This is an example of

• Centrifuging

• Decanting

• Sieving

• Filtering

Separating sand and gravel is an example of

• Sieving

• Centrifuging

• Decanting

• Filtering

Magnetic separation separates ____________ materials from ___________ materials

• Solid; Liquid

• Magnetic; Non-magnetic

• Small particle; Large particle

• Liquid; Gas

Why can't filtration be used to separate sugar from water?

• Sugar dissolves in water which makes it soluble

• Sugar particles are too small and will fall through the holes of a filter

• The water will tear the filter paper

• It actually can separate sugar from water

Which appliance is an example of centrifuging used at home

• Kettle

• Microwave

• Washing machine

• Toaster

Why should you change the air filter in your car?

• Improve air flow in the car

• Increase petrol efficiency

• Prevents dust and dirt entering the engine

• All of the above