Space
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 is astronomy? | the study of the universe and everything in it
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What is the universe? | made up of everything that exists including planets, stars, galaxies and all forms of matter and energy
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What is the big bang? | an idea that scientists use to explain how our universe was formed
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Is our universe expanding? | yes
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what is a galaxy? | a large group of stars, dust, gas and dark matter held together by gravity
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Name the galaxy we live in | The Milky Way
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What is a celestial body? | any natural body outside of the Earth’s Atmosphere e.g. planets, stars, moons, comets and asteroids
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List 3 requirements needed to be considered a planet | 1. is in orbit around a star
2. it has enough mass to be a nearly round shape
3. Enough gravity to clear any space debris in its orbit
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What is a moon? | A natural satellite which orbits a planet
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What is the geocentric model of the universe? | One where the earth is at the center of the universe
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What is the heliocentric model of the universe? | One where the sun is at the center of the universe
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Is the heliocentric or geocentric model a correct representation of our universe? | Heliocentric
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Define a star | a ball of heat-radiating gas that is held together by gravity
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What is hydrogen fusion? | When two hydrogen's join together
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In order, light the phases of a stars life | Yellow dwarf, red giant, white dwarf, black dwarf
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What is a light year? | a distance that light travels in on year
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What is an asteroid? | lumps of rock that orbit the sun
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What is a comet? | A comet is a small lump of ice and dirt that orbits the sun.
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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:
aileenwa
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