Astronomy Unit Test Review

How many days does it take Earth to orbit the Sun?

• 88 days
• 365 days
• 216 days
• 1 day

Which of the following planets has all of the components to support life?

• Earth

• Mars

• Jupiter

• Neptune

How long does it take for Earth to make one rotation?

• 365 days

• 1 month

• 24 hours

• 29.5 days

Which planet is farther from the Sun than the Earth is and it is smaller than the Earth?

• Mercury

• Pluto

• Venus

• Mars

How are meteoroids, comets, and asteroids similar?

• All 3 cause meteor showers in the atmosphere.

• All 3 form tails due to melting ice because they get too close to the Sun.

• All 3 are composed of ice and dust and asteroids are made from meteoroids and comets.

• All 3 are composed of rock and meteoroids are made from asteroids and comets.

What kind of galaxy is the Milky Way and where is our solar system located within the galaxy?

• Spiral; outer edge

• Spiral; middle

• Elliptical; outer edge

• Elliptical; middle

Explain why Earth experiences seasons.

• Seasons occur because the Earth rotates on its axis.

• Seasons occur because Earth's axis is tilted as it revolves around the sun.

• Seasons occur because the distance between Earth and the sun changes causing less sun to hit Earth.

• Seasons occur because the temperature of the sun changes throughout the year.

When the northern hemisphere tilts towards the sun, what effect does the sun have on that part of the Earth?

• The northern hemisphere will have longer days because of the direct sunlight.

• The northern hemisphere will have longer days because of the indirect sunlight.

• The northern hemisphere will have shorter days because of the direct sunlight.

• The northern hemisphere will have shorter days because of the indirect sunlight.

How long does it take for the moon to revolve around the Earth one time?

• 365 days

• 24 hours

• 1 month

• 1 week

The diagram shows the moon at 4 different locations as it moves around the Earth. Location A happened on April 1, 2017. Predict which location and moon phase would be viewed on April 15, 2017.

• Location B - 1st Quarter Moon because the moon revolves counterclockwise around the Earth once every 28 days.

• Location B - 3rd Quarter Moon because the moon revolves counterclockwise around Earth once every 7 days.

• Location C - Full Moon because the moon revolves counterclockwise around the Earth once every 28 days.

• Location C - New Moon because the moon revolves counterclockwise around Earth once every 7 days.