Science 8 Unit A Lesson 5/6 Temp and Solubility

When no more sugar will dissolve in a glass of water, the solution is

• unsaturated
• saturated
• supersaturated
• suspended

The Dead Sea contains so much dissolved salt that people can easily float on it. The Dead Sea is a ________ solution.

• saturated
• suspended
• unsaturated
• supersaturated

Solubility refers to the ____ of solute that can dissolve in a certain volume or mass of solvent, at a certain temperature.

• Volume
• Proportion
• Mass
• Particles

When you measure how fast a solute dissolves, you are measuring the

• amount of dissolving
• rate of particle movement
• amount of particle movement
• rate of dissolving

You and your friend have a contest to see who can make iced tea the fastest. Which of the following would NOT help you win?

• Cooling the water
• Using smaller crystals
• Heating the water
• Stirring quickly

In a solid to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

In a gas to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

True or false: The smaller the particle size(large surface area per unit volume) means...

• increase in solubility
• decrease in solubility

Which will dissolve faster crushed table salt or crystal of table salt?

• crushed table salt
• crystal of table salt

Stirring the solution increases or decreases the solubility?

• increases
• decreases