Mixtures and Solutions Review

A solution is created when water and ___ are mixed together.

• Rocks

• Sand

• Pepper

• Sugar

Which of the following is a solution?

• Crayons

• Lemonade

• Fresh fruits

• Wet sand and gravel

Which of the following best describes a mixture?

• A combination of two or more substances that keep their own properties.

• A combination of any substance mixed with water.

• A single substance cut or divided into smaller parts.

• A combination of two or more substances that cannot be separated.

A student mixed rocks he found outside into his sandbox. When he wants to separate the rocks from the sandbox, he needs to use a -

• container of water so the sand will float

• magnet to attract the large rocks

• meter stick to measure the length of the items in the sandbox

• sifter (or sieve) to separate the sand from the rocks

What does "mix" mean?

• divide or keep apart

• a special mixture where two or more substances combine evenly

• to break down and spread out evenly in a liquid

• to combine together

Which vocabulary word means "to break down and spread out evenly in a liquid"?

• separate

• dissolve

• mix

• solution

A special mixture where two or more substances combine evenly -

• solution

• mixture

• separate

• dissolve

To divide or keep apart is to -

• solution

• mixture

• separate

• mix

Which of these mixtures could be separated with a magnet?

• iron fillings, paper clips, and sand

• sugar and sand

• salt and water

• toothpicks, crayons, and water

Tags

NGSS.MS-PS2-5