1 Which phase of the Moon is visible when the Moon is between Earth and the Sun? A Full moon B New moon C First quarter D Last quarter
2 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
3 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
4 What process produces energy in the Sun? A Nuclear fission B Nuclear fusion C Chemical reactions D Gravitational contraction
5 What causes the Sun's apparent movement across the sky? A The Sun's motion B Earth's rotation C Earth's revolution D The Moon's orbit
6 What phase is the Moon in during a lunar eclipse? A New moon B Full moon C First quarter D Last quarter
7 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
8 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
9 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
10 What causes the phases of the Moon? A Earth's shadow on the Moon B The Moon's changing position relative to Earth and the Sun C The Sun's light being blocked by Earth D The Moon's rotation on its axis
11 What is the distance from Earth to the Sun? A 150 million km B 150 thousand km C 1 billion km D 50 million km
12 Which of the following is true about the Moon? A It has an atmosphere B It has no atmosphere C It has liquid water D It has life
13 What is the Sun primarily made of? A Hydrogen and helium B Oxygen and nitrogen C Carbon and silicon D Iron and nickel
14 What is the effect of the Sun's gravity on Earth? A It keeps Earth in orbit B It causes Earth to rotate C It causes tides D It causes seasons
15 What is the gravitational pull of the Moon responsible for? A Earthquakes B Tides C Volcanic eruptions D Auroras
17 What is a light year? A The time it takes light to travel from the Sun to Earth B The distance light travels in one year C The distance from Earth to the Moon D The speed of light
18 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
19 What phase is the Moon in during a solar eclipse? A New moon B Full moon C First quarter D Last quarter
20 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
23 What is the cause of the Aurora Borealis? A Solar wind interacting with Earth's magnetic field B Sunlight reflecting off the Moon C Volcanic activity D Ocean currents
25 What causes the Sun's apparent movement across the sky? A The Sun's motion B Earth's rotation C Earth's revolution D The Moon's orbit