Mixtures and Solutions

Students are classifying substances. (a)   is a solution.

• Sand and water
• Sugar and water
• Spaghetti and meatballs
• Soil and water

A beaker contains a mixture of salt, sand,

gravel, and iron filings. Which substance is

soluble in water?

(a)  

What causes sugar to dissolve faster in hot

water than in cold water?

• Cold water takes up less space than hot

  water.

• Cold water has faster moving particles than

  hot water.

• Hot water has faster moving particles than

  cold water.

• Hot water takes up more space than cold

  water.

The part of the mixture in which other

substances are dissolved is called the (a)  

• solute
• solvent
• variable
• mixture

Which of the following mixtures can be

separated with a magnet?

• Sand and salt

• Sand and iron filings

• Sugar and water

• Saltwater

A packet of trail mix has raisins, nuts, granola,

and cranberries. Which statement correctly

describes the trail mix?

• The trail mix is a mixture because it contains

  an equal number of nuts and raisins.

• The trail mix is a mixture because the

  ingredients dissolve in water.

• The trail mix is a mixture because the

  ingredients cannot be separated.

• The trail mix is a mixture because the

  ingredients maintain their physical

  properties.

Students create a mixture using the ingredients shown below.

Could a coffee filter be used to separate the mixture?

• Yes, because when the mixture is poured into the filter, the beans will remain in the filter and the

  rice will pass through the filter

• Yes, because both the beans and rice will pass through the filter

• No, because both the beans and rice will remain in the filter

• No, because both the beans and rice will pass through the filter

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 in another cup

• Allow the mixture to settle, leaving the pulp

  at the bottom of the glass

A student creates a graphic organizer to

identify simple mixtures.

Complete the graphic organizer by identifying

two simple mixtures.

Which mixtures contain one or more ingredients

that do NOT maintain their physical state?

Select TWO answers.

• Mixture 1

• Mixture 2

• Mixture 3

• Mixture 4

• Mixture 5

Complete the table by identifying the tool that

could be used to separate each mixture.

• Strainer

• Salt and hot water

• Magnet

• Iron Filings and chalk dust

• Hot plate

• Noodles and hot water