1 matter 2-B

Karley had a mixture of sand and shells from the beach. He wanted to get the mixture separated into two buckets, one for the sand and the other for the shells. She decided to use a screen or sieve to help him separate the mixture quickly. Which property is she using to help him separate the mixture?

• magnetism

• solubility

• size

• texture

Hailey measured the mass of 1 cup of water and found that it was 154g. She then measured the mass of ¼ of a cup of salt and found that it was 53g. She poured the salt into the water and stirred it until she could no longer see the salt. If Hailey measured the mass of the water again after, what should she find?

• 101g

• 154g

• 207g

• 53g

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

Lorena placed a cup with a stick of butter in it on one side of a balance and a melted stick of butter of the same size on the other side of the balance. Which picture correctly shows what the balance would look like?

• 
• 
• 
• 

Chris observed a clear liquid in a container that was not labeled. He wondered what the substance was. What could Chris do to determine what the clear liquid is?

• Drink the liquid to see what it is.

• Measure the temperature of the liquid to see what it is.

• Test to see if it reacts with substances such as Mentos, Alka Seltzer, or Baking Soda

• Measure the volume and mass of the substance to see what it is.

• Baking Soda

• Crushed Alka Seltzer

• Salt

• Corn Starch

Athena mixed yeast, sugar, and water in a bowl and observed a bubbly foam begin to spill over the bowl. Describe the type of change that occurred and what evidence you have to support that claim.

• A physical change occurred because bubbles form.

• A chemical change occurred because the substance stayed the same.

• A physical change occurred because a new substance was not created

• A chemical reaction occurred because foam formed which indicates the creation of a gas when there was not a gas to begin with.

• a

• b

• c

• d