Gravity, Moon, Earth, Star and, the Sun
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How does gravity affect the Moon and its relationship with Earth? | Earth's gravity_______________________.
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| Which force keeps satellites in orbit? | gravity
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| What causes an object to fall to the Earth when dropped? | Gravity
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| What time of day, and time of year, will your shadow be the shortest? | noon time in the summer
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| Compared to the shadow cast by an object in the early morning, its shadow at noontime would be _____________. | shorter and fatter
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| Why does the Sun appear to rise and set each day? | Earth rotates
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| What is Earth's orbit? | It is an ellipse, and Earth is closer to the Sun when the northern hemisphere has winter.
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| How many days does it take for the Moon to make one revolution around Earth? | 28 days
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| Approximately how long does it take for Earth to make one revolution around the Sun? | one year
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| Why are different constellations seen in the night sky during different times of the year? | The Earth revolves around the sun
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| Why do the stars seem to move from east to west in the night sky? | Earth rotates on its axis
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| 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.
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| Why do stars appear to move in the night sky? The star's apparent movement is ___________________________. | a result of Earth's movement.
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| A constellation is a group of stars visible in one area of the sky that ________________________________. | form a path
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| What causes the phases of the Moon? | The Earth's shadow on the moon
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| 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
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
smpark0414
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