Quiz on Mixtures and Solutions

What is a mixture?

• A new material formed by combining substances

• A combination of two or more substances that can be unmixed

• A single substance that cannot be separated

• A chemical reaction between two elements

What are the two types of mixtures?

• Homogeneous and heterogeneous

• Solid and liquid

• Chemical and physical

• Simple and complex

How are solutions compared to the other kind of mixture?

• Solutions are less mixed than other mixtures

• Solutions are more evenly mixed than other mixtures

• Solutions are not mixtures at all

• Solutions are only made of gases

What is a solution?

• A mixture where parts are not mixed

• A mixture where parts are thoroughly mixed and not easily seen

• A mixture that can be easily separated

• A mixture of only solid substances

Why are salt water and sugar water considered mixtures?

• Because they are new substances

• Because they are made of only one material

• Because two materials are being mixed

• Because they are solids

How can materials in a mixture or solution be separated?

• By using a strainer

• By mixing them more

• By adding more water

• By heating them

What tool could you use to separate sand and water?

• A strainer

• A filter

• A magnet

• A spoon

What happens when water or a water solution is exposed to air?

• It freezes

• It evaporates

• It boils

• It condenses

Tags

NGSS.MS-PS1-4

How do you speed up the evaporation process?

• By cooling the liquid

• By heating the liquid

• By stirring the liquid

• By adding salt

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Why is it important to know the physical properties of mixtures?

• To make them taste better

• To identify the type of mixture and how to separate the ingredients

• To change their color

• To make them heavier