Mixture — Practice Questions

Question 1

When you put two or more materials together you make a:

Accepted Answer

mixture — Two or more materials together form a mixture.

Question 2

Which of these dissolves in water?

Accepted Answer

Sugar — Sugar dissolves and disappears into the water.

Question 3

Which of these does NOT dissolve in water?

Accepted Answer

Sand — Sand does not dissolve — it can still be seen.

Question 4

When sugar dissolves in water it:

Accepted Answer

seems to disappear into the water — Dissolved sugar spreads out and seems to disappear.

Question 5

Which tool can separate big pieces from small ones in a mixture?

Accepted Answer

A sieve — A sieve lets small pieces through and keeps big ones back.

Question 6

A mixture of sand and water can be separated because the sand:

Accepted Answer

sinks and can be filtered out — Sand does not dissolve, so it settles and can be separated.