7th grade s.s. chapter 1 info
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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| The seven continents | North America, South America, Asia, Africa, Australia, Antartica, Europe
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| Distance north and south of the equator | latitude
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| Distace east and west of the Prime Merdian | longitude
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| Water covers up how much of the Earth surface | 70%
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| The angle of the suns rays cause | seasons
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| The amount of _____ on earth always stays the same | water
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| What seasons begin the two equinoxes | spring and autumn
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| what two gases make up 99% of earth's atmosphere | nitrogen and oxygen
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| What is the diffrence between history and pre history | pre history is before written records
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| What are Earth's three main layers | core, mantle, and crust
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| how far is earth tilted on its axis | 23.5 decrese
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| one orbit for earth | every 365 and 1/4 days
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| sun gives off ______ and______ for life on earth | light and warmth
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| one complete rotation on earth's axis | 24 hours
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| inner core | solid, made of iron mixed with other metals and rock
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| outer core | liquid made of hot irons mixed with other metals and rock
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| mantle | about 1,800 miles thick inner solid, outer can melt
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| magma | melted rock from outer mantle
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| crust | the thin and solid outermost layer of the Earth above the mantle only about 31 to 62 miles deep
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| plate tectonics | a theory stating that the earth's surface is broken into plates that move by floating on top of liquid rock just below earth's surface
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| cracks in the Earth's crust. earth quakes can happen near these | faults
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| The breaking down of rocks and other materials on the Earth's surface. | weathering
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| the wearing away of soil and rock particles by waves, wind, running water, or glaciers | erosion
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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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