Chemical Magic Unit Review

Ms. Deming made tomato soup for dinner. She used 300 grams of tomato juice and 12 grams of salt. What is the total weight of the soup now?

• 100 grams
• 312 grams
• 250 grams
• 500 grams

Ms. Deming made popsicles with 200 grams of orange juice and 10 grams of sugar.

Mrs. Kendal made popsicles with 200 grams of orange juice and 15 grams of sugar.

Select ALL answers that are true.

• Mrs. Kendal's popsicles will be sweeter because they have more sugar.

• Ms. Deming's popsicles will be sweeter because they have more sugar.

• Mrs. Kendal's popsicles will weigh more because they have more sugar.

• Both popsicles will be exactly the same.

We put dull pennies into a solution of salt and vinegar. When they came out, they were shiny and looked like new! If we were to weigh the pennies and the solution, what would we find?

• The pennies and the solution would weigh more than before.
• The pennies and the solution would weigh the same as before.
• The pennies would weigh less but the solution would weigh more.
• The pennies and the solution would weigh less than before.

Tags

NGSS.MS-PS1-5

During the experiment with the exploding bags, we added one cup of baking soda. What would happen if we added two cups of baking soda?

• The bag would expand slower and not explode.

• The bag would expand faster and explode.

• The reaction would not change at all.
• The bags would not explode at all.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This flask has vinegar in the bottom. If I drop a cup of baking soda into the bottom, what will happen to the balloon?

• The balloon will deflate.
• The balloon will turn green.
• The balloon will disappear.
• The balloon will inflate.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

I know that baking soda reacts by bubbling and fizzing with vinegar. It does not react with water. Which powder is baking soda?

• Option C
• Option B
• Option D
• Option A

Tags

NGSS.MS-PS1-2

I know that in order to make slime I need to mix hydrogen peroxide with something else, but I don't remember what. I think it could be: baking soda, yeast, baking powder, or sugar. What should I do to figure it out?

• I should just mix hydrogen peroxide and sugar.

• I should mix them all together in one bowl and see what happens.

• I should just mix hydrogen peroxide with yeast.

• I should mix hydrogen peroxide with each ingredient individually to see how each one reacts.

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS1-2

NGSS.MS-PS1-5