7th Grade Physical Science Review

What is physical science?

• The sciences concerned with the study of inanimate natural objects.

• The sciences concerned with the study of living things.

• The sciences concerned with the physical and chemical constitution of Earth and its atmosphere.

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The three physical states of matter are:

• Earth, wind, and fire

• solid, liquid, and gas

• left, right, and up

• conductor, nonconductor, and semiconductor

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Which of the following is an example of oxidation?

• Water evaporating

• Sugar melting

• Paper burning

• All of them

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Jupiter is much more massive than Earth. Would gravity be stronger or weaker there?

• Weaker

• No difference

• Stronger

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True or False:

Even in a perfect vacuum, an object will lie on the bottom of it, because Earth's gravity would still affect it. 

• True

• False

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Hockey Player A weighs more than Hockey Player B. If both players are pushed from behind with equal forces, Player A will come to a stop first because of

• gravity

• friction

• inertia

• both gravity and friction

• trick question, Player B will stop first

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What is this a picture of?

• Ultraviolet waves

• Cool stuff

• The electromagnetic spectrum

• The colors of light

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Protons and neutrons are made of

• a pair of leptons

• three quarks each

• several different electrons

• muons and taus

In the "Malleable Metals" article, the question states: What do conductivity and reactivity have in common?

The correct answer is: They both involve _____.

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How are you feeling for Friday's assessment?

• Very unconfident

• Unconfident

• Confident

• Very confident