Apologia Astronomy lesson 3
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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| A day on Mercury is __________ Earth days. | 59
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| A year on Mercury is ___________ Earth days. | 88
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| An orbit around the sun in an oval pattern, not a circular pattern. | Elliptical
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| Means "Earth like"; a planet that has a solid surface | Terrestrial
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| Planets that do not have solid ground to stand on; they are made of gases | Gaseous
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| Spaceships that do not transport people; they are remotely controlled by computers and scientists on Earth | Unmanned spacecraft
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| Mercury's temperature can range from ________ degrees above zero to ________ degrees below zero. | 750 (degrees above zero)300 (degrees below zero)
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| The surface of Mercury has ______________ caused by large asteroids crashing into it. | craters
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| If you could stand on Mercury and look at the Sun, what color would it appear? | White
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| Mercury was named after the Roman god of ___________. | travel
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| The largest crater on Mercury is the size of what state? | Texas
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| What does the sky look like on Mercury? | Dark or black
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| Mercury has very _____________ atmosphere which causes great changes in temperature because it is unable to hold in the heat like Earth. | little
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| The farther away from the Sun a planet is the ____________ it takes to make one revolution around the Sun. | longer
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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:
amcollins
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