A Little Review for Us

A Little Review for Us

7th Grade

10 Qs

quiz-placeholder

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A Little Review for Us

A Little Review for Us

Assessment

Quiz

Science

7th Grade

Medium

NGSS
MS-PS1-4, MS-PS1-1, MS-PS1-2

+1

Standards-aligned

Used 4+ times

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10 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

What can be concluded from the portion of the graph where the temperature remains constant?

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Answer explanation

Media Image

When a state change graph like this has an area with a flat line- it represents MELTING, or FREEZING, or EVAPORATING: a state change!

Tags

NGSS.MS-PS1-4

2.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

At what point on the phase diagram does carbon dioxide exist as a solid, liquid and gas?

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Answer explanation

Media Image

This point is called the triple point!

Tags

NGSS.MS-PS1-4

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

How can carbon dioxide in a solid state be changed to a gas?

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Answer explanation

Media Image

Solid carbon dioxide is dry ice. Getting dry ice to become a gas is simply warming it up- and decreasing its pressure.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

4.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

What changes in temperature and pressure will cause the substance in the gas phase to become a liquid?

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Answer explanation

Media Image

If you are going to move R to S: what do you need to do? GO BACK (temp decrease/down) and UP (pressure increase/up)

Tags

NGSS.MS-PS1-4

5.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Which point (letter) is the substance in this graph a gas?

Evaluate responses using AI:

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Answer explanation

Media Image

You simply have to remember where gases are on these graphs! REMEMBER: if one isn't labeled- you might get lucky and see other questions DO have them labeled.

Tags

NGSS.MS-PS1-4

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Where would you draw the electrons for this atom?

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Answer explanation

Media Image

Electrons "orbit" around the nucleus

Tags

NGSS.MS-PS1-1

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

What is wrong with this diagram?

Evaluate responses using AI:

OFF

Answer explanation

Media Image

The nucleus contains protons and neutrons.

Protons are positively charged.

Neutrons have no charge.

Electrons are in the cloud around the nucleus and are negatively charged.

Tags

NGSS.MS-PS1-1

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