BrainPop Gravity Quiz

What is gravity?

• A type of current

• A type of force

• A type of wave

• A type of energy

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According to Sir Isaac Newton, gravity depends on two factors. What are they?

• Mass and distance

• Volume and density

• Sie and shape

• Mass and Volume

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The moon's gravity is one-sixth of Earth's gravity. If you weigh 100 Newtons on Earth, how much do you weigh on moon?

• 1 newton

• 6 newtons

• 16.667 newtons

• 60 newtons

How does the Sun's gravity compare to the Earth's gravity?

• The Sun's gravity is stronger

• The Earth's gravity is stronger

• Their gravitational pull is the same

• Scientists aren't able to measure the Sun's gravity

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Why is the Earth's gravity stronger than the Moon's gravity?

• The Earth has a larger volume than the Moon

• The Moon is so far away from Earth

• The Moon has no mass

• The Earth is more massive than the Moon

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According to Newton's laws, what might happen to the Earth if its orbit moved farther away from the Sun?

• The Sun's gravitational pull on the Earth would increase

• The Earth's gravitational pull on the Moon would increase

• The Sun's gravitational pull on the Earth would stay the same

• The Sun's gravitational pull on the Earth would decrease

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What theory did Albert Einstein introduce to challenge Newton's ideas?

• The theory of superlativity

• The theory of gravitation

• The theory of relativity

• The theory of specificity

According to Einstein, gravity:

• Makes objects fall upward

• Doesn't exist when masses are very large

• Makes objects bend in space

• Bends space

Which of these would have the strongest gravitational pull?

• A large, dense star

• A medium-sized planet

• A small moon

• A comet

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What effect does the Moon's gravity have on the earth?

• It keeps the Earth in orbit around the Sun

• It causes the tides

• It causes space and time to bend around the Earth

• It has no effect on the Earth

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