describe components of the universe, including stars, nebulae, and galaxies...
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Universe | space and all the matter and energy in it
🗑
|
||||
| Star | a large celestial body that is composed of gas and that emits light
🗑
|
||||
| Nebula | a large cloud of gas and dust in interstellar space; a region in space where stars are born
🗑
|
||||
| Galaxy | a collection of stars, dust, and gas bound together by gravity
🗑
|
||||
| Hertzsprung-Russell diagram | a graph that shows the relationship between a star's surface temperature and absolute magnitude
🗑
|
||||
| Nuclear reaction | A reaction, as in fission, fusion, or radioactive decay, that alters the energy, composition, or structure of an atomic nucleus.
🗑
|
||||
| Milky Way Galaxy | the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky
🗑
|
||||
| Luminosity | the actual brightness of an object such as a star
🗑
|
||||
| Spectral Class | any of various groups into which stars are classified according to characteristic spectral lines and bands.
🗑
|
||||
| Kelvin | A unit of absolute temperature equal to 1/273.16 of the absolute temperature of the triple point of water.
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
sstall
Popular Science sets