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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| Earth and the sun | The sun is the center of our solar system
Earth spins, which makes the sun and stars appear to move
across the sky.
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| Earth’s rotation | Planets rotate around an axis.
One whole spin of an object on its axis is called a rotation
1 day = 1 rotation
The sun, stars, moon only seem to rise in the east and set in
the west because we rotate.
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| Earth’s revolution | Earth follows a path called an orbit
The orbit is not a circle, it is an ellipse
One full orbit around an object is a revolution
Earth takes 365 days to orbit the sun
Gravity keeps the Earth in orbit around the sun
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| Seasons | Seasons are patterns of temperature changes over the year
The poles have the biggest changes, the equator the least
Four main changes in seasons
o September equinox; equal amount of day and night. Start
of Fall
o December solstice; least amoun
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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:
brian-willey
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