Astronomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What is the theory of how the Earth formed? | Big Bang theory is most widely accepted theory for how universe formed
🗑
|
||||
| What is a Solar Nebula? | It is a huge cloud of dust, gas, and ice
🗑
|
||||
| What do all stars start as? | They all are Solar Nebulas that collapse.
🗑
|
||||
| All stars are finite and evolve. What determines how a star evolves? | The Mass does
🗑
|
||||
| What is the lifetime of a small star? | Less massive stars order: 1. Nebula, 2. protostar, 3 main sequence star (born), 4. white dwarf, 5. black dwarf (death)
🗑
|
||||
| What is the lifespan of a relatively large star? | More massive stars order: Nebula, 2. protostar, 3 main sequence star (born), 4. supernova, 5. neutron star (death). Most massive stars will follow this path but after supernova they will become black holes.
🗑
|
||||
| True or False: The brighter the star the hotter the star | True
🗑
|
||||
| What is our sun's life span? | It is about 12 billion years
🗑
|
||||
| What are Supergiants? | They are large stars. That are bright because of there mass but et are cooler.
🗑
|
||||
| What are Galaxies? | Galaxies are collections of billions of stars. The basic types are spiral, elliptical (football shaped) and irregular. Our solar system is part of the Milky Way which is a spiral galaxy
🗑
|
||||
| What are Black holes? | are the end of the life cycle of some supergiant stars.
🗑
|
||||
| What does a black hole do in a galaxy? | 11. Black holes in the middle of the galaxies allow the stars to gain velocity as they move toward the black hole. This velocity allows the stars to orbit around and away from this center of mass, not be sucked into them as believed by most.
🗑
|
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:
Call_Mee_Ian
Popular Science sets