Solubility

Select all that are not true about solubility.

• If the solute particle sizes are smaller, the solute will dissolve faster.

• If the solute particle sizes are larger, the solute will dissolve faster.

• If the temperature is increased in the solvent, the solute will dissolve slower.

• If the temperature is decreased in the solvent, the solute will dissolve faster.

Tags

NGSS.MS-PS1-4

What might keep sugar from dissolving in your glass of iced tea?

• Sammy stirred the ice tea too much to dissolve any more sugar.

• There was too much water in the ice tea to dissolve the sugar

• The ice tea was too cold to dissolve any more sugar.

• The sugar particles were too big to dissolve.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

As scientist stirs salt into a solvent in a beaker. What are they most likely trying to test?

• to evaporate some of the solvent

• to see if it changes color

• to dissolve the solvent faster

• to dissolve the solute faster

Which of the following shows a list of items that will dissolve slowest to fastest?

• fine salt, sea salt (chunky salt, salt cube

• salt cube, fine salt, sea salt (chunky salt)

• salt cube, sea salt (chunky salt), fine salt

Imagine you are making hot tea on a cold morning. What can you do to dissolve the sugar in your tea more quickly?

• Mix sugar, green tea, and ice water and then boil.

• Mix sugar, green tea, and boiling water.

• Mix sugar, green tea, and ice water and then stir.

• Mix sugar, green tea, and room temperature water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following would not make for a good fair experiment? Hint: think about what the variables would be.

• What are the differences in the three states of matter of water?

• What causes a substance to dissolve in water?

• How much sugar must dissolve in water to make the best sweet tea?

• Does the amount of a substance affect the rate at which it dissolves in water?

Which of the following could have a hypothesis that could be tested?

• How does temperature affect the volume of water?

• Why does that cloud look like a shrimp?

• Why is green the best color?

• Why are snacks so expensive at movie theaters?

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4