Physics

Question 1

1A light-year is about

Hard

A. 3.26 m B. 9.46 × 10¹⁵ m C. 3 × 10⁸ m D. 1.5 × 10¹¹ m

Question 2

2The sun is a

Easy

A. star B. comet C. planet D. moon

Question 3

3A star more massive than about 8 solar masses ends its life as a

Hard

A. planet B. supernova leaving a neutron star or black hole C. white dwarf only D. comet

Question 4

4The theory that the universe began from an extremely hot, dense state and has been expanding since is the

Easy

A. theory of relativity B. steady state theory only C. Big Bang theory D. kinetic theory

Question 5

5The Sun is

Easy

A. a star B. a comet C. a planet D. a moon

Question 6

6A light-year is a unit of

Easy

A. speed B. time C. brightness D. distance

Question 7

7The distance light travels in one year is a

Easy

A. kilometre B. parsec C. astronomical unit D. light-year

Question 8

8The galaxy in which our solar system is found is the

Easy

A. Sombrero B. Milky Way C. Andromeda D. Magellanic Cloud

Question 9

9The planet known as the "Red Planet" is

Easy

A. Jupiter B. Mars C. Mercury D. Venus

Question 10

10The theory that the universe began from a single hot, dense point is the

Easy

A. Big Bang theory B. plate tectonics C. cell theory D. steady state theory