Earth and Space: Interactive Learning Quizzes for 3rd Grade Science

Question 1

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

Accepted Answer

Pluto

Answer

Earth

Answer

Mars

Answer

Jupiter

Question 2

Which of these is NOT part of our Solar System?

Accepted Answer

Stars

Answer

Jupiter

Answer

Earth

Answer

Saturn's rings

Question 3

Which planet in our solar system is the biggest?

Accepted Answer

Jupiter

Answer

Earth

Answer

Mars

Answer

Saturn

Question 4

Which celestial body was once considered a planet in our solar system but is now classified differently?

Accepted Answer

Pluto

Answer

Jupiter

Answer

Mars

Answer

Neptune

Question 5

Which of these is a unique feature of Earth compared to other planets in our solar system?

Accepted Answer

It has oceans of liquid water.

Answer

It has a thick atmosphere.

Answer

It has a magnetic field.

Answer

It has a rocky surface.

Question 6

Which of these giant planets is the largest in our solar system?

Accepted Answer

Jupiter

Answer

Uranus

Answer

Neptune

Answer

Saturn

Question 7

Which of these is NOT part of our solar system?

Accepted Answer

Milky Way Galaxy

Answer

Saturn

Answer

Pluto

Answer

Venus

Question 8

Which planets in our solar system are in order from closest to farthest from the sun?

Accepted Answer

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Answer

Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

Answer

Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury

Answer

Earth, Mars, Venus, Mercury, Saturn, Jupiter, Uranus, Neptune

Question 9

Which force keeps the planets moving around the sun?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Electricity

Answer

Friction

Question 10

Which planet in our solar system is the largest?

Accepted Answer

Jupiter

Answer

Earth

Answer

Mars

Answer

Venus

Question 11

Which celestial body was once considered a planet in our solar system but is no longer classified as one?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Neptune

Question 12

Which star is the center of our solar system and the one that Earth orbits around?

Accepted Answer

Sun

Answer

Moon

Answer

Mars

Answer

Jupiter

Question 13

Imagine a spinning top. What part of the top does it spin around?

Accepted Answer

Axis

Answer

Equator

Answer

Prime Meridian

Answer

Tropic of Capricorn

Question 14

If you were to travel from the Sun and visit the planets in our solar system, which planet would you reach first?

Accepted Answer

Mercury

Answer

Mars

Answer

Venus

Answer

Jupiter

Question 15

What is the sun?

Accepted Answer

A star that emits its own light and heat

Answer

A planet that orbits a star

Answer

A moon that orbits a planet

Answer

An asteroid that is made of rock and metal

Question 16

Which of these is NOT a layer of Earth's atmosphere?

Accepted Answer

Lithosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Question 17

If you're standing at the North Pole and looking down at Earth, which way does it spin?

Accepted Answer

Counterclockwise

Answer

Clockwise

Answer

It doesn't spin

Answer

Sometimes clockwise and sometimes counterclockwise

Question 18

Which of the following is NOT a layer of the Earth's atmosphere?

Accepted Answer

Hydrosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Question 19

What is the name of the line that goes around the middle of the Earth and divides it into the Northern and Southern Hemispheres?

Accepted Answer

Equator

Answer

Prime Meridian

Answer

Tropic of Cancer

Answer

Tropic of Capricorn

Question 20

Which object in our Solar System is the largest?

Accepted Answer

Sun

Answer

Moon

Answer

Jupiter

Answer

Mars

Question 21

Which object in our solar system is the largest?

Accepted Answer

Sun

Answer

Earth

Answer

Moon

Answer

Mercury

Question 22

Which object in our solar system is no longer considered a planet?

Accepted Answer

Pluto

Answer

Earth

Answer

Mars

Answer

Venus

Question 23

Which celestial body was once considered a planet in our solar system but is now classified differently?

Accepted Answer

Pluto

Answer

Mars

Answer

Jupiter

Answer

Saturn

Question 24

Which layer of the Earth is not solid?

Accepted Answer

Atmosphere

Answer

Crust

Answer

Mantle

Answer

Core

Question 25

Which of these is NOT a planet in our solar system? Planets are objects that orbit a star like our Sun.

Accepted Answer

Sun

Answer

Mercury

Answer

Jupiter

Answer

Neptune

Question 26

Which planet in our solar system is the closest to the sun?

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Question 27

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

Accepted Answer

Pluto

Answer

Earth

Answer

Mars

Answer

Saturn

Question 28

Which of these is a dwarf planet in our solar system?

Accepted Answer

Pluto

Answer

Mercury

Answer

Jupiter

Answer

Mars

Question 29

The Moon is often visible at night. Is it one of the planets that orbit our Sun?

Accepted Answer

No, the Moon is not a planet in our solar system.

Answer

Yes, the Moon is a planet in our solar system.

Question 30

How does the Earth's spinning, called rotation, affect the changing pattern of day and night?

Accepted Answer

It makes one side of the Earth face the sun during the day and the other side face away at night.

Answer

It makes the Earth move around the sun.

Answer

It makes the Earth's axis tilt, changing the length of day and night throughout the year.

Answer

It changes the Earth's magnetic field, affecting the direction of a compass.

Question 31

Imagine you have two balls, a large one and a small one. Which ball will have a stronger pull on the other ball?

Accepted Answer

The large ball

Answer

The small ball

Answer

They will have the same pull

Question 32

Which planet in our solar system is known as the 'Red Planet'?

Accepted Answer

Mars

Answer

Mercury

Answer

Venus

Answer

Jupiter

Question 33

Which planet in our solar system is nicknamed the 'Red Planet' because it looks reddish?

Accepted Answer

Mars

Answer

Mercury

Answer

Venus

Answer

Jupiter

Question 34

Which gas is not part of the air we breathe?

Accepted Answer

Helium

Answer

Oxygen

Answer

Nitrogen

Answer

Carbon Dioxide

Question 35

Which of these was once considered a planet in our solar system but is no longer classified as one?

Accepted Answer

Pluto

Answer

Earth

Answer

Mars

Question 36

What sets stars apart from other objects in the night sky?

Accepted Answer

They produce their own light.

Answer

They are made of rocks and water.

Answer

They are only visible during the day.

Question 37

What is the largest known object in the universe?

Accepted Answer

A black hole

Answer

A star

Answer

A galaxy

Answer

Our Sun

Question 38

What causes the different seasons on Earth?

Accepted Answer

The Earth's axis is tilted, so different parts of the planet face the Sun at different times.

Answer

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

Answer

The Moon's gravity pulls on the Earth, causing the seasons to change.

Question 39

Which planet in our solar system is made mostly of gas and has famous rings?

Accepted Answer

Saturn

Answer

Mercury

Answer

Jupiter

Answer

Mars

Question 40

In our solar system, which star shines brightly and gives light and warmth to the planets?

Accepted Answer

Sun

Answer

Earth

Answer

Moon

Answer

Jupiter

Question 41

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

Accepted Answer

24 hours

Answer

365 days

Answer

The Earth's rotation causes the moon to orbit around it.

Answer

The Earth's rotation has no effect on the tides.

Question 42

Imagine you're standing on Earth facing the sun at noon. Which direction is Earth spinning?

Accepted Answer

Counterclockwise

Answer

Clockwise

Answer

Towards the sun

Answer

Away from the sun

Question 43

What causes the different seasons we experience on Earth?

Accepted Answer

The Earth's tilt as it orbits the Sun

Answer

The Earth's changing distance from the Sun

Answer

The Earth's varying rotation speed

Answer

The Sun's changing brightness

Question 44

When the Earth spins on its axis, what happens?

Accepted Answer

Day and night

Answer

The seasons

Answer

The Moon's phases

Question 45

Which planet is not part of the group of planets closest to the Sun?

Accepted Answer

Saturn

Answer

Mercury

Answer

Venus

Answer

Mars

Question 46

Which planet in our solar system is known for its distinctive rings made of ice and dust?

Accepted Answer

Saturn

Answer

Mercury

Answer

Mars

Answer

Venus

Question 47

Which layer of the Earth is between the crust and the core and is made of hot, melted rock?

Accepted Answer

Mantle

Answer

Crust

Answer

Inner Core

Answer

Outer Core

Question 48

How has our understanding of the night sky changed over time?

Accepted Answer

People used to just look at the stars with their eyes. Now we use telescopes and other tools.

Answer

We know everything about space, so astronomy hasn't changed much.

Answer

Only astronauts and scientists can learn about astronomy.

Answer

Telescopes are the only tools astronomers use to study space.

Question 49

What is one implication of the recent change in Pluto's classification from a planet to a dwarf planet?

Accepted Answer

There are now fewer planets in our solar system.

Answer

Pluto is no longer part of the solar system.

Answer

Pluto is now larger than Earth.

Answer

Pluto is no longer a rocky planet.

Question 50

Which two planets in our solar system are most similar in size?

Accepted Answer

Earth and Mars

Answer

Mars and Jupiter

Answer

Jupiter and Saturn

Answer

Saturn and Uranus

Question 51

What gas makes up the largest part of the air we breathe?

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon dioxide

Answer

Helium

Question 52

Within the Milky Way galaxy, where is the Earth located and how does it orbit?

Accepted Answer

The Earth is in the Perseus Arm and orbits the Sun.

Answer

The Earth is in the center of the Milky Way and orbits the Sun.

Answer

The Earth is in the Orion Arm and orbits the Moon.

Answer

The Earth is outside the Milky Way and orbits a black hole.

Question 53

Scientists use various methods to study objects in the sky. Which of these is **NOT** a method scientists use to learn about celestial objects?

Accepted Answer

Relying on old stories and legends

Answer

Using telescopes to observe them

Answer

Sending spacecraft to explore them

Answer

Creating computer models to simulate them

Question 54

Where is the habitable zone located?

Accepted Answer

Around a star where liquid water can exist on a planet's surface

Answer

Closest to Earth

Answer

Farthest from Earth

Answer

Where there are no stars

Question 55

Which planet in our solar system is the biggest?

Accepted Answer

Jupiter

Answer

Earth

Answer

Mars

Answer

Saturn

Question 56

What is a natural satellite that goes around a planet?

Accepted Answer

Moon

Answer

Sun

Answer

Stars

Answer

Planets

Question 57

What makes it day and night on Earth?

Accepted Answer

Earth's spinning

Answer

Earth's movement around the Sun

Answer

Sun's spinning

Answer

Sun's movement around the Earth

Question 58

What is the name of the layer of gases that surrounds our planet?

Accepted Answer

Atmosphere

Answer

Crust

Answer

Mantle

Answer

Core

Question 59

Which planet is often called the "Red Planet"?

Accepted Answer

Mars

Answer

Jupiter

Answer

Saturn

Answer

Uranus

Question 60

What are the main challenges and exciting discoveries that come with exploring space?

Accepted Answer

Challenges: Risks and difficulties; Discoveries: New knowledge and technology

Answer

Challenges: Only risks

Answer

Discoveries: Only new knowledge

Answer

Challenges: None at all

Question 61

What shape is our galaxy, the Milky Way?

Accepted Answer

Flat like a disc with spiral arms

Answer

Round like a ball

Answer

No particular shape

Answer

Round with a bar-shaped center

Question 62

Which of these does NOT affect the temperature of a planet in our solar system?

Accepted Answer

Color of the surface

Answer

Distance from the Sun

Answer

Tilt of the axis

Answer

Presence of an atmosphere

Question 63

Which gas is NOT found in the Earth's atmosphere?

Accepted Answer

Helium

Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Question 64

What is the layer of gases that surrounds our planet called?

Accepted Answer

Atmosphere

Answer

Lithosphere

Answer

Hydrosphere

Answer

Biosphere