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Science

4th Grade

Mixtures & Separation Quiz
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22 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 6 pts

What is a mixture?

Something that cannot be separated

A pure substance

Two or more substances mixed together but not chemically combined

A single element

2.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

Which mixture can be separated using a magnet?

Iron filings and sand

Sugar and water

Sand and water

Oil and water

3.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

Which property tells us how heavy something is for its size?

Density

Solubility

Particle size

Temperature

4.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

If sugar disappears when mixed with water, it is because sugar is...

Soluble

Dense

Magnetic

A liquid

5.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

Which method is best to separate sand from water?

Filtration

Evaporation

Magnetic separation

Sieving

6.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

What tool is often used for sieving?

Strainer

Funnel

Magnet

Spoon

7.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

What happens in evaporation?

Liquid turns into gas

Solids disappear

Solids become smaller

Water becomes colder

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