Earth's Place in the Universe

A day on Earth is 24 hours long. What does this mean?

• Earth rotates 360 degrees on its axis in one Earth year.

• Earth rotates 360 degrees on its axis in one Earth day.

• Earth rotates 360 degrees on its axis in one Solar year.

• Earth rotates 360 degrees on its axis in one Lunar year.

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NGSS.MS-ESS1-1

• We would not have seasons like we do now.

• There would be no day and night, just days.

• A year would be longer than 365 days.

• Days would be shorter than 24 hours.

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NGSS.MS-ESS1-1

• Both sides of the moon would be visible.

• The length of the year would be more than 365 years.

• Day length would be less than 24 hours.

• Temperatures would be constant year round.

Tags

NGSS.MS-ESS1-1

Select the pair of bodies which are LEAST alike in composition and size.

• moon and comet

• Earth and Venus

• Uranus and Neptune

• asteroid and meteor

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NGSS.MS-ESS1-3

• Meteor

• Comet

• Asteroid

• Planet

A meteor is DIFFERENT from a comet mainly because it

• has a tail of ice and dust.

• enters the Earth's atmosphere.

• has a nucleus made of snow and rock.

• is found in orbit between Mars and Jupiter.

Which of these lists bodies in order, from CLOSEST to FURTHEST from the Earth?

• Moon, Sun, near edge of Milky Way, center of Milky Way

• near edge of Milky Way, Moon, center of Milky Way, Sun

• Sun, Moon, center of Milky Way, near edge of the Milky Way

• Moon, Sun, center of Milky Way, near edge of the Milky Way

Which statement about the Milky Way is true?

• It is the only galaxy.

• It is one of two galaxies.

• It is one of ten galaxies.

• It is one of many galaxies.

• Crescent

• Full

• New

• Waxing

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NGSS.MS-ESS1-1

• A

• B

• C

• D

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NGSS.MS-ESS1-1