Mixtures and Solutions

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

• 20 grams
• 0 grams
• 27 grams
• 10 grams

Tags

NGSS.5-PS1-2

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

Trail mix, with nuts, raisins, pretzels and candy pieces is a good example of a mixture.

• True
• False

Tags

NGSS.5-PS1-4

Which of the following will NOT dissolve in water?

• salt
• rocks
• apple juice

Tags

NGSS.5-PS1-3

Ocean water is a solution?

• True
• False

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

• Rocks

• sugar

• pepper

• sand

Tags

NGSS.MS-PS1-2

What item could a magnet separate from a mixture of garbage?

• Old metal fork

• An apple core

• Pieces of paper

• A juice can

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

What change occurs when cook pancakes for breakfast?

• Physical Change

• No change

• Chemical Change

Tags

NGSS.5-PS1-4

Lemonade is a special mixture called a 

• substance
• solution
• plasma
• ingredient

Tags

NGSS.5-PS1-4