3.5D Mixtures

A mixture can be created by-

• Pouring some water in a glass

• Combining 2 or more materials

• Blowing air through a straw

• Melting a solid into a liquid.

What tool can be used to easily separate a mixture of iron and plastic paper clips?

• A balance

• A strainer

• A magnet

• A beaker

All of the following are mixtures EXCEPT –

• Iron Flings in sand

• Crushed rock and glass

• A pile of marbles

• Peanuts and raisins together

How can a student make a sample of sand part of a mixture?

• Place the sample in a closed container and shake it.

• Add gravel to the sand sample and stir them together.

• Pour the sample into a bowl and warm it in sunlight.

• Spread out the sample of sand on a paper towel.

How do we know that a salad is a mixture?

• The salad is made of different types of food

• Bits of the salad can be picked up with a fork

• The salad’s mass can be measured with a balance

• The items in the salad are mostly solid

What would be the result of combining peanuts, raisins, and chocolate chips?

• Creating a Mixture

• Creating a liquid

• Creating heat

• Evaporation would take place

Which of these containers is holding a mixture?

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All of the following describe a process that makes a mixture EXCEPT –

• Pouring water into water

• Combining two types of cereal

• Adding sand to gravel

• Adding salt to sugar

There are four jars filled with different materials. The jar that contains a mixture is the jar that is filled with-

• Ice

• Salt

• Marbles

• Pennies and Dimes

Students have a jar of pennies. How could they make a mixture with this?

• Add more pennies

• Pour the pennies on the table

• Add Nickels and stir

• Just sir the pennies