The document explains the sun as a star composed of light and heat, essential for life on Earth. It provides details about various parts of the sun, including the photosphere, corona, and chromosphere, highlighting their temperatures and characteristics. It also includes multiple-choice questions related to the sun's properties and its role in the solar system.

2.  is a star because it is made up of light and heat.

3.  is the only star in the solar system.

4.  As a star, it is a source of light and heat.

5.  life on earth would be impossible.

6.  our earth would just be a frozen sphere of hard rock.

7.  our earth would just be a frozen sphere of hard rock.
 we cannot live in a cold, cold place.

8.  green plants won’t be able to produce food to
other living things like us.
 We cannot live too, without food.

11. 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.

12. CORE
PROMINENCE
SUNSPOT
PHOTOSPHERE
CHROMOSPHERE
CORONA

13.  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

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

15.  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

16.  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

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

18.  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

19. CORE
PROMINENCE
SUNSPOT
PHOTOSPHERE
CHROMOSPHERE
CORONA

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

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

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