Astronomy Unit 1 Study Guide

One complete revolution of the Earth around the sun takes about

• one rotation
• half a year
• one year
• one season

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NGSS.MS-ESS1-1

The Earth takes about __________________ hours to complete one rotation of its axis.  

• 12
• 24
• 14
• 28

What type of telescope is pictured above?

• reflective
• refracting
• Space
• radio

The spinning of an object on its axis is called______

• orbit
• rotation
• revolution
• tide

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NGSS.MS-ESS2-6

As the Earth travels around the sun, this tilt causes different areas of the Earth’s surface to get different amounts of daylight at different times of the year. The angle of the Sun’s rays to the surface also causes areas to have more or less of the Sun’s energy. This causes the ________.

• months
• day and night
• seasons
• years

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NGSS.MS-ESS1-1

A ______ eclipse occurs when the moon passes between Earth and the sun, blocking the sunlight from reaching Earth. The moon's shadow then hits Earth.   

• solar eclipse
• lunar eclipse
• vernal equinox
• autumnal equinox

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NGSS.MS-ESS1-1

A body that orbits a planet is a...

• Meteor
• Asteroid
• Satellite
• Comet

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NGSS.MS-ESS1-2

Seasonal changes are caused by Earth's ........... around the sun.

• Orbit
• Revolution
• Rotation
• Tilt of axis

Movement of Earth around the sun.

• Rotation
• Revolution

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NGSS.MS-ESS1-2

The moon is a natural  ______ of Earth.

• comet
• axis
• satellite
• space probe

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NGSS.MS-ESS1-1