Science Test study
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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| What are the substance in earth's second atmosphere? | Water vapor, nitrogen and carbon dioxide
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| What are the substances in the first atmosphere? | Helium and hydrogen
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| What substance do living organisms give to the atmoshpere? | Oxegyn
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| What are the earliest life forms similar to? | Bacteria
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| What is a comet? | A ball of dust and ice that orbits the sun
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| What galaxy is earth in? | The Milky Way
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| What is the closest galaxy to the Milky Way? | The Andromeda Galaxy
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| What is the closest star to earth besides the sun? | Proxima Centuri which is 4.2 light years away
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| What is the distance a star travels in a year? | Light years
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| When did Precambrian begin? | 4.6 billion years ago
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| When did accretion start? | 4.6 billion years ago
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| Order of earth's formation: | 1. Beginning of accretion-4.6 billion BP, 2. End of accretion- 4.5 billion BP, 3. Precambrian-544 million BP, and 4. Modern time
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| When did Cambrian start? | 544 million years BP
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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:
LaxyLucy7
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