Mixtures and Solutions

In which of these do particles move slowest?

• matter
• gas
• liquid
• solid

Tags

NGSS.MS-PS1-4

Mr. Lopez spilled his favorite snack. Is it a mixture or a solution? Why?

• Its a mixture, because it is made up of 2 or more substances that can be easily separated.

• Its a mixture, because it can only be separated with a sieve.

• Its a solution, because it can only be separated by dissolving it in water.

• Its a solution because it can not be separated easily.

Isabella accidentally left the beaker full of salt water boiling on a hot plate. When she came back she shut it off and this is what was left. What is it?

• It is salt that was placed in there after she left.

• It is salt that was left behind due to evaporation.

• It is the excess salt that did not evaporate with the water.

• It is an unknown substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

10 g of lemon powered was added to a bottle of water. What physical properties have changed?

• smell, taste, mass, color

• smell, density, state of matter

• smell, color, taste, length

• smell, color, taste, width

Tags

NGSS.MS-PS1-2

A combination of 2 or more substances that can be easily separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

Tags

NGSS.5-PS1-4

Mixtures are combinations of two materials that retain their physical qualities.

• True
• False

Tags

NGSS.5-PS1-2

NGSS.5-PS1-3

NGSS.5-PS1-4

What happens when water mixes with sugar?

• the appearance of sugar changes

• the shape of water changes

• the taste of sugar changes

• the state of water changes

Tags

NGSS.5-PS1-4

Which of these mixtures is not a solution?

• lemonade

• Pepper and water

• Kool-aid

• ocean water

Tags

NGSS.5-PS1-3

A solution is a mixture of one or more substances _________ evenly into another substance.

• dissolved
• evaporated
• carried
• split

Tags

NGSS.5-PS1-4

Which of the following is NOT a mixture?

• sand, salt, and rocks in a bucket
• trail mix made with dried fruit,
  nuts, chocolate drops, and
  pretzels
• water in a glass
• rocks and sand in the ocean

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4