Lesson 1: Gravity and the Universe Review

(a)   galaxies are small with many bright young stars and lots of gas and dust for star formation.

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NGSS.MS-ESS1-2

A(n) _____ ______ contains a star and the planets and other objects that revolve around the star.

(a)  

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NGSS.MS-ESS1-2

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The amount of matter in an object is its (a)   .

(a)   attracts all objects toward each other.

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NGSS.MS-PS2-4

The (a)   is made up of all of space and everything in it.

Which two factors determine the amount of gravitational force?

• Size and Volume

• Size and Distance

• Mass and Distance

• Mass and Volume

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NGSS.MS-PS2-4

NGSS.MS-PS2-2

Gravity plays an important role in forming solar systems, stars, and planets.

• True

• False

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The James Webb Space Telescope recently provided scientists with an image and data related to a large object in space. The object is composed of billions of stars of different colors and sizes and enough gas and dust to make billions more stars.

What conclusion can be drawn from this information?

• The image is of the entire universe because of the presence of stars, gas, and dust.

• The image is of the formation of a new planet as indicated by the presence of dust.

• The image is of a distant solar system because of the presence of at least one star.

• The image is of a galaxy because of the presence of billions of stars, gas, and dust.

A large grouping of stars, planets, gas, and dust in space held together by gravity.

• Universe

• Galaxy

• Space

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NGSS.MS-ESS1-2

Which type of Galaxy is the Milky Way?

• Irregular

• Elliptical

• Spiral

• Cluster

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