Earth and Space: Explore the Solar System, Moon, and Day and Night

Question 1

Which of these is NOT a planet in our solar system? Planets are large, round objects that orbit a star.

Accepted Answer

The Sun

Answer

Mercury

Answer

Venus

Answer

Mars

Question 2

Which celestial body was once considered a planet but is now classified differently?

Accepted Answer

Pluto

Answer

Mercury

Answer

Venus

Answer

Mars

Question 3

Which of these is NOT a movement of the Earth?

Accepted Answer

Zooms around the galaxy

Answer

Rotates on its axis to experience day and night

Answer

Orbits the Sun to experience the seasons

Answer

Wobbles on its axis over a period of about 26,000 years

Question 4

In our solar system, which celestial body is no longer classified as a planet?

Accepted Answer

Pluto

Answer

Mercury

Answer

Jupiter

Answer

Mars

Question 5

What causes day and night on Earth?

Accepted Answer

Earth's spin

Answer

Earth's orbit around the Sun

Answer

Moon's orbit around Earth

Answer

Sun's spin

Question 6

Which of these is NOT a planet in our solar system? Planets are large, round objects that orbit the Sun.

Accepted Answer

Alpha Centauri

Answer

Earth

Answer

Mars

Answer

Saturn

Question 7

What causes it to be light during the day and dark at night on Earth?

Accepted Answer

The Earth's spinning movement

Answer

The Earth's movement around the Sun

Answer

The Moon's movement around the Earth

Answer

The Sun's spinning movement

Question 8

Which planet in our solar system is nicknamed the 'Red Planet' because of its reddish appearance?

Accepted Answer

Mars

Answer

Venus

Answer

Jupiter

Answer

Neptune

Question 9

The Earth's orbit around the Sun is not a perfect circle. What shape is it?

Accepted Answer

An oval shape

Answer

A perfect circle

Answer

A straight line

Answer

A square

Question 10

When do both the northern and southern hemispheres of the Earth receive the same amount of sunlight?

Accepted Answer

During Spring and Autumn

Answer

Only in Summer

Answer

Only in Winter

Answer

Never

Question 11

What causes the Earth to experience different seasons?

Accepted Answer

The tilt of the Earth's axis away from the Sun

Answer

The Earth's rotation on its axis

Answer

The Earth's elliptical orbit around the Sun

Answer

The changing distance between the Earth and the Sun

Question 12

Which celestial body is no longer classified as a planet in our solar system?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Saturn

Question 13

Why do we experience different seasons on Earth?

Accepted Answer

The Earth's axis is tilted away from the sun.

Answer

The Earth's orbit around the sun is oval-shaped.

Answer

The Earth's speed around the sun changes throughout the year.

Answer

The Earth's distance from the sun changes throughout the year.

Question 14

What happens because the Earth spins on its axis?

Accepted Answer

Day and night

Answer

The seasons

Answer

The tides

Answer

The Earth's magnetic field

Question 15

How long does it take for the Earth to complete one orbit around the Sun?

Accepted Answer

365 days

Answer

24 hours

Answer

30 days

Question 16

What causes day and night on Earth?

Accepted Answer

The Earth's spinning on its own axis

Answer

The Earth's movement around the Sun

Answer

The Moon's movement around the Earth

Question 17

Over time, what is happening to the Earth's spin?

Accepted Answer

The Earth's spin is slowing down.

Answer

The Earth's spin is speeding up.

Answer

The Earth's spin is staying the same.

Question 18

Which of these is not a planet in our solar system?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Saturn

Question 19

What is the main reason we use rockets in space exploration?

Accepted Answer

To carry astronauts and supplies into space

Answer

To study the makeup of stars

Answer

To investigate the surfaces of planets

Question 20

Which celestial body is NOT a planet in our solar system?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Saturn

Question 21

Which of these is NO LONGER considered a planet in our solar system?

Accepted Answer

Pluto

Answer

Jupiter

Answer

Neptune

Question 22

Which layer of the Sun is the hottest and where most of the solar flares occur?

Accepted Answer

Corona - the outermost layer of the Sun's atmosphere

Answer

Photosphere - the visible surface of the Sun

Answer

Chromosphere - the layer just above the photosphere

Answer

Core - the center of the Sun

Question 23

Which celestial body was once considered a planet but is now classified as a dwarf planet?

Accepted Answer

Pluto

Answer

Mercury

Answer

Jupiter

Answer

Saturn

Question 24

The Earth's axis is tilted away from the Sun. How does this affect the amount of sunlight different parts of the Earth receive?

Accepted Answer

Different parts of the Earth receive different amounts of sunlight throughout the year.

Answer

All parts of the Earth receive the same amount of sunlight throughout the year.

Answer

Parts of the Earth facing away from the Sun receive more sunlight than parts facing the Sun.

Question 25

Which celestial body was reclassified and is no longer considered a planet in our solar system?

Accepted Answer

Pluto

Answer

Earth

Answer

Mars

Answer

Saturn

Question 26

Why do we have day and night on Earth?

Accepted Answer

The Earth spins around, causing different parts to face the Sun.

Answer

The Earth is flat, and the Sun lights up one side at a time.

Answer

The Moon blocks the Sun's light at night.

Answer

The Sun moves around the Earth, shining light on different parts at different times.

Question 27

Why does the Earth's rotation cause day and night?

Accepted Answer

Different parts of the Earth face the Sun at different times.

Answer

The Sun moves across the sky.

Answer

The Moon orbits around the Earth.

Answer

The Earth's axis tilts.

Question 28

What causes the cycle of day and night on Earth?

Accepted Answer

Earth's rotation on its axis

Answer

Earth's orbit around the Sun

Answer

Moon's orbit around Earth

Answer

Sun's rotation on its axis

Question 29

What causes day and night on Earth?

Accepted Answer

The Earth spins on its axis.

Answer

The Sun moves around the Earth.

Answer

The Moon's gravity pulls on the Earth.

Answer

Clouds block the Sun's rays.

Question 30

Why is the Sun the center of our solar system?

Accepted Answer

It has the strongest gravitational pull.

Answer

It's the largest object in our solar system.

Question 31

When it's summer in the Northern Hemisphere, which way is the Earth tilted in relation to the Sun?

Accepted Answer

Tilted towards the Sun

Answer

Tilted away from the Sun

Answer

Not tilted at all

Answer

Tilted towards the Moon

Question 32

The Earth's path around the Sun is not a perfect circle. What shape is it?

Accepted Answer

Ellipse

Answer

Circle

Answer

Oval

Answer

Parabola

Question 33

Which of these is **not** a planet in our solar system?

Accepted Answer

Pluto

Answer

Venus

Answer

Earth

Answer

Jupiter

Question 34

Which of these does NOT affect how long day and night are?

Accepted Answer

How far the Earth is from the Moon

Answer

The Earth spinning on its axis

Answer

The Earth's axis being tilted

Question 35

Why does the Earth experience different seasons?

Accepted Answer

The Earth's axis is tilted away from the Sun.

Answer

The Earth's orbit around the Sun is slightly oval.

Answer

The Earth's rotation on its axis is slowing down.

Answer

The Sun's energy is not evenly distributed over the Earth's surface.

Question 36

How does the Earth's orbit around the Sun affect our planet?

Accepted Answer

The Earth's orbit around the Sun causes the seasons on Earth.

Answer

The Earth's orbit is a perfect circle, and it takes exactly 365 days to complete one orbit.

Answer

The Earth's orbit around the Sun is the same distance from the Sun at all times.

Answer

The Earth's orbit is in the same plane as the Moon's orbit.

Question 37

Space exploration is exciting, but we need to consider the impact of our actions on the environment. Which of these could be a potential environmental risk in space?

Accepted Answer

Dropping litter on the Moon

Answer

Learning more about how fragile our planet is

Answer

Using telescopes to study stars

Question 38

Which of these is NOT a type of star?

Accepted Answer

Planet

Answer

Red dwarf

Answer

Blue giant

Answer

White dwarf

Question 39

Which of these objects is not a planet in our solar system?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Venus

Question 40

How long does it take the Earth to go around the Sun once?

Accepted Answer

365.25 days

Answer

24 hours

Answer

365 days

Answer

366 days

Question 41

What is the imaginary line that divides the Earth into the Northern and Southern Hemispheres called?

Accepted Answer

Equator

Answer

Prime Meridian

Answer

Tropic of Cancer

Answer

Tropic of Capricorn

Question 42

What force pulls objects towards the Earth?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Friction

Answer

Centripetal force

Question 43

Which ocean is the largest on Earth?

Accepted Answer

Pacific Ocean

Answer

Atlantic Ocean

Answer

Indian Ocean

Answer

Arctic Ocean

Question 44

Which of these is a renewable resource?

Accepted Answer

Solar energy

Answer

Oil

Answer

Coal

Answer

Natural gas

Question 45

What makes day and night happen on Earth?

Accepted Answer

The rotation of the Earth

Answer

The rotation of the Moon

Answer

The Earth's orbit around the Sun

Answer

The movement of the stars

Question 46

Which phase of the Moon can we see when it is between the Earth and the Sun?

Accepted Answer

New Moon

Answer

Full Moon

Answer

First Quarter

Answer

Third Quarter

Question 47

How long does it take for the Earth to go once around the Sun?

Accepted Answer

One year

Answer

One day

Answer

One month

Answer

Ten years

Question 48

Which planet in our solar system is the biggest?

Accepted Answer

Jupiter

Answer

Mercury

Answer

Venus

Answer

Mars

Question 49

What is the name of the imaginary line that goes through the North and South Poles of the Earth?

Accepted Answer

Axis

Answer

Latitude

Answer

Longitude

Answer

Equator

Question 50

Which of these things is caused by the Moon pulling on the Earth?

Accepted Answer

Tides

Answer

Earthquakes

Answer

Volcanoes

Answer

Hurricanes

Question 51

What is the name for when water, wind, or ice slowly wear away rocks and soil?

Accepted Answer

Erosion

Answer

Weathering

Answer

Deposition

Answer

Sedimentation

Question 52

What is the name of the layer of gases that surrounds the Earth?

Accepted Answer

Atmosphere

Answer

Lithosphere

Answer

Hydrosphere

Answer

Biosphere

Question 53

What do we call the imaginary line running through the Earth, from the North to the South Poles?

Accepted Answer

Axis

Answer

Equator

Answer

Tropic of Cancer

Answer

Greenwich Mean Time

Question 54

How long does it take for the Earth to spin once on its axis?

Accepted Answer

24 hours

Answer

365 days

Answer

29.5 days

Answer

12 months

Question 55

What is the path called that the Earth takes as it travels around the Sun?

Accepted Answer

Orbit

Answer

Axis

Answer

Tropic of Capricorn

Answer

Equinox

Question 56

Around how long does it take for the Earth to orbit the Sun once?

Accepted Answer

365 days

Answer

24 hours

Answer

29.5 days

Answer

12 months

Question 57

What is the name for the object that orbits the Earth?

Accepted Answer

Moon

Answer

Sun

Answer

Mars

Answer

Jupiter

Question 58

What is the name for the line that divides the Earth into the northern and southern halves?

Accepted Answer

Equator

Answer

Axis

Answer

Tropic of Cancer

Answer

Prime Meridian

Question 59

What do we call the imaginary line through the Earth's centre that passes through both the North and South Poles?

Accepted Answer

Axis

Answer

Equator

Answer

Tropic of Capricorn

Answer

Greenwich Mean Time

Question 60

What do we call the imaginary line through the Earth's centre, dividing it into eastern and western halves?

Accepted Answer

Prime Meridian

Answer

Equator

Answer

Tropic of Cancer

Answer

Greenwich Mean Time

Question 61

What is astronomy, and how do astronomers study space?

Accepted Answer

Astronomy is the study of space and everything in it. Astronomers use telescopes and other special tools to observe and learn about stars, planets, galaxies, and more.

Answer

Astronomy is about looking at stars with our eyes. Astronomers don't use any tools to help them.

Answer

Astronomy is only about studying the Moon. Astronomers use microscopes to see it better.

Question 62

How long does the Earth take to spin once on its axis?

Accepted Answer

24 hours

Answer

1 day

Answer

12 hours

Answer

1 month

Question 63

What causes the day and night cycle?

Accepted Answer

The Earth's rotation

Answer

The Moon's rotation

Answer

The Sun's rotation

Answer

The Earth's orbit around the Sun

Question 64

Which of these is a planet in our solar system?

Accepted Answer

Earth

Answer

Moon

Answer

Sun

Answer

Star