Earth, Moon and Sun

1

What is the gravitational pull of the Moon responsible for?

A Earthquakes B Tides C Volcanic eruptions D Auroras

2

What is the Moon?

A A star B A planet C A satellite of Earth D A comet

3

What is the tilt of Earth's axis?

A 0 degrees B 23.5 degrees C 45 degrees D 90 degrees

4

What is the shape of Earth's orbit around the Sun?

A Perfect circle B Ellipse C Square D Triangle

5

What is the diameter of the Moon compared to Earth?

A About half the size B About one-quarter the size C About the same size D Twice the size

6

What causes the change of seasons?

A Earth's rotation B Earth's revolution and the tilt of its axis C The Moon's phases D The Sun's rotation

7

What is a moon phase?

A The appearance of the Moon as seen from Earth B The shape of the Moon's orbit C The Moon's position in space D The Moon's temperature

8

What is the approximate age of the Moon?

A 4.5 billion years B 4.5 million years C 1 billion years D 6,000 years

9

Which of the following is true about the Sun?

A It is a planet B It is a star C It is a satellite D It is a comet

10

Which is the closest star to Earth?

A Proxima Centauri B Alpha Centauri C The Sun D Sirius

11

What is the primary gas in the Sun?

A Oxygen B Hydrogen C Helium D Carbon dioxide

12

What is the Sun primarily made of?

A Hydrogen and helium B Oxygen and nitrogen C Carbon and silicon D Iron and nickel

13

What is the temperature at the core of the Sun?

A 1,000 degrees Celsius B 10,000 degrees Celsius C 15 million degrees Celsius D 1 million degrees Celsius

14

What is the temperature range on the Moon?

A Constant 20 degrees Celsius B Extremely hot during the day and extremely cold at night C Always cold D Always hot

15

What is the Moon?

A A star B A planet C A satellite of Earth D A comet

16

Which season occurs when the Northern Hemisphere is tilted toward the Sun?

A Summer B Winter C Spring D Autumn

17

How many high tides occur in a day?

A One B Two C Three D Four

18

What is the diameter of the Moon compared to Earth?

A About half the size B About one-quarter the size C About the same size D Twice the size

19

What is a lunar eclipse?

A The Moon passes between Earth and the Sun B Earth passes between the Sun and the Moon C The Sun passes between Earth and the Moon D The Moon is in its new phase

20

What process produces energy in the Sun?

A Nuclear fission B Nuclear fusion C Chemical reactions D Gravitational contraction

21

What is the approximate age of the Earth?

A 4.6 billion years B 4.6 million years C 1 billion years D 6,000 years

22

What phase is the Moon in during a solar eclipse?

A New moon B Full moon C First quarter D Last quarter

23

What is the term for the Moon's surface features?

A Craters B Mountains C Oceans D Canyons

24

What is a solar eclipse?

A The Moon passes between Earth and the Sun B Earth passes between the Sun and the Moon C The Sun passes between Earth and the Moon D The Moon is in its full phase

25

What causes the Coriolis effect on Earth?

A Earth's revolution B Earth's rotation C The Moon's gravity D The Sun's gravity