Solutions Vocabulary

Stirring the solution increases the rate of dissolution (rate of dissolving).

• True

• False

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

• True

• False

Which will dissolve faster? Crushed table salt or a cube of table salt. Assume they have an equal mass.

• crushed table salt

• crystal of table salt

Tags

NGSS.MS-PS1-2

What combination would dissolve a solid solute the fastest?

• high temperature, no stirring

• no heat, no stirring

• sugar cube, no heat

• high temperature, stirring

Tags

NGSS.MS-PS1-4

Which of the following actions will NOT

increase the rate of dissolution

(dissolving) for solids?

• Stirring the solution

• Decreasing the temperature

• Increasing the surface area of the

  solute

• Increasing the temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Select the 3 properties that affect the rate of dissolving materials

• surface area

• volume

• temperature

• texture

• stirring

How does cold water affect the speed of dissolving?

• Cold water slows down dissolving.

• Cold water speeds up dissolving.

• Cold water has no effect on dissolving.

• Cold water has no effect on dissolving.

Tags

NGSS.MS-PS1-4

You want to make chocolate milk using Hershey's syrup. How could you speed up the rate of the syrup dissolving in your milk?

• Put the syrup in the fridge to cool before putting it in the milk

• Put the syrup in the milk and let it sit

• Increase the amount of syrup you put into the milk

• Warm up the syrup before putting it into the milk

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

While making tea, you notice the tea grounds aren't fully dissolving into the water. How can you help the grounds dissolve faster?

• Let the grains sink to the bottom over time

• Put the water in the freezer to get cold

• Stir the grounds in the water

• Decrease the amount of grounds you put into the water

Which of the following will decrease the rate at which salt dissolves in water?

• Increasing the surface area of salt

• Cooling the water

• Stirring the mixture of salt and water

• Coloring the mixture of salt and water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4