8th grade Universe & Stars Review
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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| Expanding | The Big Bang theory tells us that the universe has been and still is __________
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| Nebula | A large cloud of dust and gas that becomes a star
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| Nuclear Fusion | The way stars produce energy
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| Milky Way | The galaxy in which our solar system exists
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| Andromeda | What is the closest spiral galaxy to our galaxy
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| Temperature | A physical property that is part of the basis for the HR Diagram
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| Spiral | The Milky Way galaxy is this type of galaxy
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| Event Horizon | The edge of a black hole
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| Constellations | Patterns of stars in the sky
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| Redshift | Evidence that the universe is expanding
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| Main Sequence | Our sun is this type of star
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| Clouds of Magellan | Two irregular galaxies that orbit our galaxy
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| Electromagnetic | _______ waves can move through the vacuum of space
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| Light years | Extremely large distances in space
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| Universe | Something that is approximately 12 to 14 billion years old
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| Yellow | The color of a medium temperature star
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| Red Giant | A star that has used up all of its hydrogen becomes larger and cooler
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| Gamma rays | The highest energy waves that come from stars
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| Luminosity | Another expression that means brightness
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| Irregular | The type of galaxy that is the smallest
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| Distance | What is measured by light-years
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| Parallax | Changing star location by earth's movement which allows us to calculate how far away they are
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| cool | The temperature of orange and red colored stars
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| Galaxy | A large group of stars held together by gravity
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| Black Hole | One possible result after a star goes supernova
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| White Dwarf | After a Red Giant star collapses slowly the very hot tiny dense star that remains
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| Steady state Theory | Theory that the universe was and always has been as it is now
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| Super nova | Giant stars that collapse quickly and explode out
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| Red | Color with the longest wavelength
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| Blue Shift | The change in light that is getting closer
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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:
coach_fletcher
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