The Sun

The Sun
¡is a star because it is made up of light and heat.
is the only star in the solar system.
As a star, it is a source of light and heat.

1. SUN is a star because it is made up of light and heat .

2. SUN i s the only star in the solar system.

3. SUN As a star, it is a source of light and heat.

4. Earth without the light and heat life on earth would be impossible.

5. Earth without the heat, our earth would just be a frozen sphere of hard rock .

6. Earth without the heat, our earth would just be a frozen sphere of hard rock . we cannot live in a cold, cold place.

7. Earth without the light, g reen plants won’t be able to produce food to other living things like us. We cannot live too, without food.

8. The Sun's diameter is 864,938 miles (1,391,980 km).

9. This is almost 10 times larger than the planet Jupiter and about 109 times as big as the Earth.

10. Comparing Star and the Planet STAR PLANET Made of light gases. Made of rocks. Emits light and heat. Does not emit light and heat. Sphere of hot gases. Sphere of hard rock.

11. Parts of the Sun CORE PROMINENCE SUNSPOT PHOTOSPHERE CHROMOSPHERE CORONA

12. PHOTOSPHERE Is the visible surface of the sun and this part has yellow color. It is not a solid surface, but rather a layer of gasses. And the temperature is about 5,500 degrees C. PHOTOSPHERE z

13. SUNSPOT Is a dark patch on the sun’s surface. SUNSPOT

14. CORE Is the center of sun and extremely hot. A star shines because of its core The Core’s temperature is 10 million to 20 million degrees Celsius. CORE

15. CORONA Outer part of sun (atmosphere) Looks like a crown of bright light glowing It is composed of extremely thin dust and gases Temperature is about 2,000,000 degrees C During a total eclipse, the corona becomes visible to earth. CORONA

16. PROMINENCE Cloudlike structures Large amount of gases Looks like a huge flame coming out of the sun PROMINENCE

17. CHROMOSPHERE Above the photosphere Thick layer of boiling and spinning gases. Viewed as a red rim around sun And the temperature is about 27,800 degrees C. CHROMOSPHERE

18. Parts of the Sun CORE PROMINENCE SUNSPOT PHOTOSPHERE CHROMOSPHERE CORONA

19. Choose and write the letter of the correct answer. 3. What kind of heavenly body is the sun? Meteor B. Planet C. Star 1.Which of these describes the sun? composed of light and gases composed of hard rocks does not emit light and heat 2. Which of these is not given off by the sun? Chemical energy Heat Energy Light Energy

20. 4. Which of these makes the earth warm? Heat energy Light energy Both A and B 5. Which of these is used by green plants for food making? Heat Energy Light Energy Solar Energy 6. Which of these is the bright and visible part of the sun? Chromosphere Photosphere Corona 7. Which of these is seen at the photosphere? Prominence Sunspot Both A and B

21. 8. Which of these is seen as a black part during an eclipse? Chromosphere Corona Photosphere 9. Which of these appears as a thin layer of red light around the sun during an eclipse? Chromosphere Corona Photosphere 10. Which of these three is the hottest? Chromosphere Corona Photosphere