5.5A Mixture and Solutions (Friday)

Which physical property of salt would stay the same in a mixture of salt and water?

• color

• shape

• size

• taste

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

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

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

• dissolved

• evaporated

• carried

• split

Which of the following best explains why pineapple juice is a liquid and not a solid?

• It has a yellow color.

• It takes the shape of its container.

• You cannot weigh it on a scale.

• It has molecules more tightly packed than a solid.

Which best describes the change in sugar crystals as they dissolve in water?

• The crystals change their chemicals until they become water.

• The crystals get higher in temperature until they melt into a liquid.

• The crystals get smaller in size until they can no longer be seen.

• The crystals are washed clean until they are perfectly clear.

Tags

NGSS.MS-PS1-2

Destiny adds a cup of uncooked carrots to white rice in a bowl. Which of the following will NOT happen?

• The rice and carrots will be able to be seperated.

• The rice and carrots will combine into a new chemical substance.

• The rice and carrots will rest together in the bowl.

• The rice and carrots will be maintain their physical properties..

Which occurs when the physical properties of a cup of salt is mixed with water?

• The salt no longer tastes salty.

• The salt dissolves and can no longer be seen as a solid.

• The salt evaporates into the water.

• The physical properties of salt do not change.

Tags

NGSS.MS-PS1-2

Sadie added a kool aid packet to a glass of water. Which statement is NOT true about the solution as she stirred the water?

• The kool aid particles became smaller in size.

• The kool aid evaporated from the water.

• The kool aid dissolved in the water.

• The kool aid caused the water to become a solution.