Year 7 Stile Mixtures

All mixtures contain......

• one substances

• two or more substances combined together

• one elements

• only compounds

Is air a form of mixture?

• True

• False

What is an example of pure substances?

• Air

• Sea water

• Gold

• Chocolate

Which of the following is not a mixture?

• Concrete

• Soil

• Diamond

• Chocolate-flavoured milk

Smoke is a mixture?

• True

• False

What type of mixture when sand is mixed with water?

• Pure substances

• solution

• suspension

• colloids

If a mixture of sand and water to be shaken what would happen?

• Nothing, it will be the same

• The sand will disappear

• The sand will suspend in the water and it will eventually settle to the bottom

• The sand will suspend in the water and it will stay like that forever.

Mixtures where small droplets of one liquid are suspended in another liquid are called....

• emulsions

• sediment

• solution

• brine

Milk is a mixture of water and

• Oil

• Brine

• Salt

• Fats

A small jar contains Small pebbles, Coarse sand, Fine sand and Fine clay. Which one will settle to the bottom first?

• Small pebbles

• Coarse sand

• Fine sand

• Fine clay