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Solar System

QuestionAnswer
1. How does gravity affect the Moon and its relationship with Earth? Earth's gravity keeps the moon in orbit around the Earth.
2. Which force keeps satellites in orbit? gravity
3. What causes an object to fall to the Earth when dropped? Gravity
4. What time of day, and time of year, will your shadow be the shortest? noon time in the summer
5. Compared to the shadow cast by an object in the early morning, its shadow at noontime would be _____________. shorter and fatter
6. Look at two pictures with shadows and be able to identify a shadow at noon time.
7. Why does the Sun appear to rise and set each day? Earth rotates
8. What is Earth's orbit? It is an ellipse, and Earth is closer to the Sun when the northern hemisphere has winter.
9. How many days does it take for the Moon to make one revolution around Earth? 28 days
10. Approximately how long does it take for Earth to make one revolution around the Sun? one year
11. Why are different constellations seen in the night sky during different times of the year? The Earth revolves around the sun
12. Why do the stars seem to move from east to west in the night sky? Earth rotates on its axis
13. The Earth takes 365.25 days to orbit around the Sun. This results in an __________________________________. an extra day is added to the month of February every four years.
14. Why do stars appear to move in the night sky? The star's apparent movement is ___________________________. a result of Earth's movement.
15. A constellation is a group of stars visible in one area of the sky that ________________________________. form a path
16. What causes the phases of the Moon? The Earth's shadow on the moon
17. Why do we always see the same side of the moon from the Earth? The moon's rotation and orbit occur at the same rate.
Created by: eebrents0712
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