Science USA

Which of the following represents a gas?

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Tags

NGSS.MS-PS1-4

Which of the following would you classify as an element?

(Select as many boxes as you need)

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Tags

NGSS.MS-PS1-1

Which of the following would you classify as a molecule?

(Select as many boxes as you need)

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Tags

NGSS.MS-PS1-1

Which of the following would you classify as a molecule?

(Select as many boxes as you need)

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Tags

NGSS.MS-PS1-1

Which of the following would you classify as an atom?

(Select as many boxes as you need)

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Tags

NGSS.MS-PS1-1

Which of the following represents a substance that is a mixture?

(Choose as many as you want)

Is the "equation" shown balanced or not? If not, explain why.

• Yes, it's balanced

• No it's not balanced because there are too few black circles on the reactant side.

• No it's not balanced because there are too few black circles on the product side.

• No it's not balanced because there are less total red circles than black circles.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following shows a mixture?

(Select as many as you want)

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What is the name given to the red number in the equation shown?

• subscript

• coefficient

• reactant

• product

What is the name given to the red number in the equation shown?

• subscript

• coefficient

• reactant

• product