All Mixed Up

• 
• 
• 
• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Marisol mixed two samples together: a brown liquid with no smell and a colorless gas that smells irritating. She analyzed the results and found two ending substances. One of the ending substances smelled sweet. 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 Marisol mixed together?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Jamie works at a company that makes cleaning chemicals. She is trying to make a chemical that smells like flowers. She took two samples that were gases at room temperature and mixed them in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Jamie found two substances that smelled like flowers 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?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemist mixed two samples together: a gray liquid that boils at 103°C and a colorless gas that boils at 19°C. She analyzed the results and found two ending substances. One of the ending substances was a pink liquid. 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 the chemist mixed together?

• 
• 
• 
• 

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?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

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?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mixtures ____.

• are one type of matter

• are combinations of different types of matter

• can be separated by physical means

• both B and C

Identify evidence from the lab that supports the claim that matter can be separated by physical means.

• We used a strainer to separate the water from the mineral oil.

• We used a magnet to separate iron filings from a mixture.

• We separated salt from the mixture by using a strainer.

• Iron filings were separated using water to dissolve them.

What physical property is being used to separate the substance in the test tube?

• solubility

• mass

• magnetism

• color

Tags

NGSS.MS-PS2-3