G5 How Things Dissolve Quiz 1

A water solution is....

• a substance melted in water

• a substance dissolved in water

• salt water

• juice

Tags

NGSS.MS-PS1-2

The weight of water plus the substance dissolved is _______________ the weight of the water solution.

• the same as

• more than

• less than

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which sentence is true?

• Any amount of salt can dissolve in water.

• There is no limit to how much salt can dissolve in water.

• There is a limit to how much salt can dissolve in water.

Tags

NGSS.MS-PS1-2

Why do we use a graduated cylinder to measure water?

• It is more accurate.

• It is easier.

• It is faster.

• It looks nice.

Alum is ______________ than salt to dissolve.

• easier

• harder

• heavier

• lighter

At room temperature, ___________ salt than alum can dissolve.

• the same

• less

• more

How can you dissolve more salt?

• Add more water.

• Increase the temperature.

• Decrease the temperature.

• Evaporate the solution.

Tags

NGSS.MS-PS1-4

How can you dissolve more alum?

• Add salt.

• Increase the temperature.

• Decrease the temperature.

• Stir it a lot.

Tags

NGSS.MS-PS1-4

Substances dissolve in water differently, depending on....

• the amount of water and colour

• the colour and temperature of the water

• the amount and temperature of the water

Tags

NGSS.MS-PS1-4