Quiz on Mixtures and Solutions

What is a mixture?

• A single substance that forms a new substance

• Two or more substances that form a new substance

• Two or more substances that do not form a new substance

• A single substance that does not change

What is a solution?

• A mixture where substances are easily seen

• A mixture where one substance dissolves in another

• A single substance that forms a new substance

• A mixture that forms a new substance

In a mixture like a salad, what can you see?

• Only one substance

• New substances forming

• Separate parts like lettuce and tomatoes

• Only liquids

What happens when a substance dissolves in a solution?

• It forms a new substance

• It breaks into tiny parts and blends

• It stays the same

• It becomes visible

Tags

NGSS.MS-PS1-2

What is solubility?

• The amount of one substance that will dissolve in another substance.

• The amount of heat needed to boil a substance.

• The amount of time it takes for a substance to melt.

• The amount of pressure needed to crush a substance.

Tags

NGSS.MS-PS1-2

Why does sugar dissolve easily in water?

• Because sugar is highly soluble in water.

• Because sugar is a solid.

• Because sugar is heavier than water.

• Because sugar is colder than water.

What happens to flour when mixed with water?

• It forms clumps and does not dissolve easily.

• It dissolves completely and becomes clear.

• It changes color and becomes sweet.

• It evaporates quickly.

Tags

NGSS.MS-PS1-2

How can you make flour more soluble in water?

• By heating the water.

• By cooling the water.

• By adding salt to the water.

• By shaking the mixture.

What happens to the mass of matter when you mix different substances?

• The mass increases.

• The mass decreases.

• The mass stays the same.

• The mass doubles.

Tags

NGSS.MS-PS1-5

If you mix 25 grams each of chickpeas, green peas, kidney beans, and soybeans, what will be the total mass?

• 50 grams

• 75 grams

• 100 grams

• 125 grams