Chemical Magic: Mystery 4

1. The sap from a rubber tree is called what?

• syrup

• latex

• vinegar

2. A __________ occurs when two or more substances are mixed together and result in a new substance.

• physical reaction

• chemical reaction

• property

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3. What two substances mixed together created goo?

• borax and milk

• baking soda and glue

• glue and borax

Tags

NGSS.MS-PS1-2

4. Alchemists created _________ by mixing different substances together.

• old materials

• new materials

• the same materials

Tags

NGSS.MS-PS1-1

5. Substances that can cause chemical reactions are called ______.

• metal

• powder

• chemicals

6. When you mix the sap from a South American tree with acid what new substance do you get?

• plastic

• rubber

• glass

Tags

NGSS.MS-PS1-2

Imagine you need white glue and regular milk for a science activity. Your teacher leaves these two glass containers for you. Unfortunately, they aren’t labeled, so you don’t know which liquid is in which container. Which properties might help you identify each liquid? Choose all of the correct answers, there are 2.

• Glue is very thick and hard to pour. Milk is very runny and easy to pour. You can use the property of how easily they pour to help figure out which one is milk and which one is glue.

• Both liquids are white. Because they are both the same color, you can’t use the property of their color to tell them apart.

• White school glue comes in plastic bottles. These liquids are not in plastic bottles. That means you can use the property of which container they are in to know that neither are glue.

• Milk should only be in a refrigerator. These containers are not in a refrigerator, so neither of them are milk. You can use the property of their location to know neither of them are milk.

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NGSS.5-PS1-3

Select all the statements that are TRUE. There are 2 correct answers.

• The mixture of milk and glue is a new substance because it is a liquid, and being a liquid is a new property.

• Both mixtures are new substances, because new substances always form whenever two things are mixed.

• The milk and vinegar mixture is a new substance, because it has totally different properties than the milk and vinegar had separately.

• The milk and glue mixture doesn’t have new properties, so it probably isn’t a 

  new substance.

Tags

NGSS.MS-PS1-2

Imagine you have two new liquids: Liquid A and Liquid B. Both liquids are cloudy and gray. When mixed together, they form a green liquid that is not cloudy. Did mixing liquids A and B create a new substance?

• Yes

• No

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Using the information from Question 9, how do you know if a new substance was created or not?

Sentence Starter: I know this because.....

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NGSS.MS-PS1-2

NGSS.MS-PS1-5