The Universe Worksheet-1

The Universe Worksheet-1

1. What is a Galaxy?

A. A pair of stars                           B. A distant solar system

C. A huge cluster of stars            D. A huge cluster of planets

2. What is the estimated age of the Universe?

A. Approximately 14 billion years old

B. Approximately 14 hundred years old

C. Approximately 14 years old

D. Approximately 1 thousand years old

3. Which of the following is not an astronomical instrument?

A. Optical Telescope                    B. Radio Telescope

C. Infrared Telescope                  D. Electron Microscope

4. What is the gas that is burning in our Sun?

A. Oxygen                                      B. Hydrogen    

C. Carbon dioxide                         D. Uranium

5. What is the asteroid belt and where is it located?

A. Small gaseous moons that orbit around the Sun. It is located between Mars and Jupiter.

B. An imaginary line of gravitational pull that is located around planets and its moon.

C. Rocks and metal chunks that orbit around the Sun. It is located between Mars and Jupiter.

D. Icy and rocky ring around the planet Saturn.

6. What is the orbiting path of comets?

A. Circular         B. Elliptical       C. Linear            D. Spiral

7. At what angle does the earth tilt on its axis?

A. 13.5 degrees                             B. 65 degrees

C. 29.5 degrees                             D. 23.5 degrees

8. How big is the Moon compared to the earth?

A. about half wide as Earth                

B. about one fourth as wide as Earth

C. about one tenth as wide as Earth

D. about double as wide as Earth

9. What kind of atmosphere does the Moon have?

A. Oxygen rich                             

B. Carbon dioxide rich     

C. Mix of Oxygen, Nitrogen and Helium

D. It has no atmosphere

10. Which Galaxy do we live in?

A. Solar Galaxy                             B. NGG 1188

C. Milky Plate                               D. Milky Way

Answer Key:

1.-(c); 2.-(a); 3.-(d); 4.-(b); 5.-(c); 6.-(b); 7.-(d); 8.-(b); 9.-(d); 10.-(d)