Interactions with Water

Substances dissolve faster in water if the temperature is

• hot

• cold

• room temperature

True or False

Cold water molecules move faster than hot water molecules.

• True

• False

Tags

NGSS.MS-PS1-4

Which tool helps a scientist determine temperature?

• ruler

• thermometer

• scale

• magnifying glass

True or False

A solid will not dissolve in water.

• True

• False

What will happen after stirring sand in a glass of water?

• The sand will dissolve in the water because sand in water is a solution.

• The sand will dissolve in the water because sand in water is a mixture.

• The sand will settle in the bottom because sand in water is a solution.

• The sand will settle in the bottom because sand in water is a mixture.

True of False

When conducting an investigation, you should carefully follow the EXACT same procedures for each trial.

• True

• False

What dissolves more substances than any other liquid?

• milk

• water

• oil

• soda

Which of the following three solids will dissolve in water?

• salt

• sugar

• sand

• pepper

• coffee

Tags

NGSS.MS-PS1-2

When I tried to add sugar to my ice tea, it would not dissolve. What could I do?

• add more ice to the water

• add more sugar to the water

• heat up the tea to a higher temperature

• add more tea to the glass

Tags

NGSS.MS-PS1-4

Which of the following liquids dissolves easily in water?

• milk

• oil

• food coloring

• liquid dish soap

• salad dressing