Chemical Reaction Amplify

Santiago is a chemist working to make a new kind of antacid, which is a medicine that helps with stomach pain. He mixed two powdery solid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Santiago found two liquid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Patrik works at a company that makes paper and needs a chemical to make the paper brighter. He mixed two colorless substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Patrik found two white substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Serena mixed two samples together: a gray solid that smells like flowers and a gray solid that smells like bleach. She analyzed the results and found two ending substances. One of the ending substances was a white solid. This ending substance is made up of the repeating group of atoms shown above. Which of the diagrams to the left shows the repeating groups of atoms that make up the samples Serena mixed together?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Tiana is a chemist who is making a chemical to add to swimming pools in order to make the water safer. She mixed two solid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Tiana found two liquid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a chemical reaction?

• A process that changes the physical form of substances

• A process that changes the chemical composition of substances

• A method to dissolve substances in water

• A way to freeze substances instantly

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to atoms in a chemical reaction?

• They disappear

• They change into new elements

• They are rearranged to form new substances

• They remain completely unchanged

Tags

NGSS.MS-PS1-5

In a chemical equation, the substances that start the reaction are called:

• Products

• Reactants

• Catalysts

• Inhibitors

Tags

NGSS.MS-PS1-1

A copper penny turning greenish after a few years is an example of ...

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

In a chemical reaction, what is the term for the substances that are produced?

• Reactants

• Catalysts

• Products

• Enzymes

Tags

NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has taken place?

• Change in color

• Change in shape

• Change in position

• Change in size

Tags

NGSS.MS-PS1-2