Science

DIFFERENT kinds of atoms chemically combine to form a pure substance called

• Mixture
• Element
• Compound
• Substance

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NGSS.MS-PS1-1

This contains a variety elements and compounds that ARE NOT chemically combined.

• Water
• Mixture
• Elements
• Compounds

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

This is made up of one or more of the SAME kind of atom

• Element

• Mixture

• Compound

• Matter

Tags

NGSS.MS-PS1-1

A pure substance...

• is an element or a compound
• is an element or a mixture
• is a compound or a mixture
• is a mixture

A pure substance that cannot be separated into simpler substances by chemical or physical means.  

• Element
• Compound
• Mixture
• Chemical

A compound is made of ________ atoms. 

• big 
• similar 
• different 

Tags

NGSS.MS-PS1-1

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?

• Compound
• Element
• Mixture
• None of the Above

This picture represents which of the following?

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1