Benchmark #2 Review-Honeycutt 2015

Which physical property is used to identify matter based on solubility?

• Ability to evaporate
• Volume
• Ability to dissolve
• Mass

Which physical property is used to identify matter based on solubility?

• Ability to evaporate
• Volume
• Ability to dissolve
• Mass

A student conducts an investigation to learn how materials conduct heat.  The student places a wooden spoon and a metal spoon in identical containers of hot water.  Then, the student takes the temperature of the water in each container to make sure both are the same temperature  What is the variable in the student's investigation?

• The temperature of the water
• The type of container
• The length of time the student leaves the spoons in the water
• The type of spoon

Which of these materials would NOT be a good insulator of electricity?

• Metal
• Plastic
• Glass
• Wood

Which substance is NOT soluble in water?

• Powdered Drink Mix
• Sugar
• Salt
• Sand

Each of the following scenarios demonstrate freezing point EXCEPT-

• a liquid changing into a solid
• the tempurature reaching 100* Celsius
• liquid precipitation turning into freezing rain
• the temperature reaching 0* Celsius

Water changes its state of matter when heat is added or taken away.  When water reaches its boiling point the particles-

• are closer together
• stay the same
• are moving more rapidly
• are moving more slowly

A cup of orange juice with pulp is poured into a glass.  Which of these procedures could be done to separate the juice from the pulp?

• Pour the juice through a coffee filter
• Heat the juice in a pot until boiling
• Pour the juice into another cup
• Allow the mixture to settle, leaving the pulp at the bottom of the glass. 

Which statement about solutions is correct?

• All solutions contain more than two substances
• A solution can only be created from liquids
• All mixtures are solutions
• All solutions are mixtures

The substance being dissolved in a solution is called the-

• solute
• solvent
• variable
• not here