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astronomy
grade 6 science
| Question | Answer |
|---|---|
| What is the sun made up of? | A hot sphere of glowing gas. |
| What is a double star system? | 2 stars that revolve around each other |
| Technically, what are all stars? | suns |
| What are binary stars? | AKA a double star system. When 2 stares revolve around each other. |
| What is a constellation? | groups of stars that were once believed to be imaginary people or animals. |
| What is an example of a constellation? | Big Dipper, Orion, Hercules |
| What is a nova? | when a sun suddenly increases in brightness due to a nuclear explosion. They release gas, heat, and light into space. |
| What is a nebula? | A huge cloud of dust and gas where new stars are formed |
| What is a galaxy? | A huge collection of stars is collectively |
| What is OUR galaxy? | The Milky Way *Like the candy bar. |
| What is the Big-Bang Theory? *Not the tv show | It states that our universe began as one large mass that exploded and gave rise to our modern-day planets. |
| How can stars differ? | They differ in: size, mass, color, temperature, and brightness |
| What are the sizes of the stars? | 1. Giant stars 2. Supergiant stars 3. White dwarf 4. Neutron star |
| How big is a Giant Star? | 10-100 times the size of our sun |
| How big is a Supergiant? | 1000 times the size of the sun |
| How big is the White Dwarf? | Smaller that the Earth |
| How big is a Neutron Star? | The smallest star. |
| What elements make up 96-99% of a stars mass? | Hydrogen (H) and Helium (He) |
| How is the brightness of a star categorized? | Absolute Brightness and Apparent Brightness |
| What is apparent magnitude? | the brightness of a star as it appears on Earth. *From Earth, it appears to be bright |
| What is Absolute magnitude? | the actual amount of light that a star gives off. |
| What are the layers of the sun? | 1. Corona 2. Chromosphere 3. Photosphere 4. Core |
| What are solar flares? | a “storm” on the sun, temperature increases, large amounts of energy are released. |
| What are sun spots? | dark spots that are seen on the sun’s surface, cooler than the rest of the sun. |
| What is a supernova? | When the nuclear fusion reaction is finished, the sun explodes in a tremendous release of energy |
| What is a black hole? | After a star burns out, or supernovas, a core where the star used to be remains. |
Created by:
shann1
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