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Space quiz for kids
The planets in order, the solar system, missions and myths. Is the Great Wall really visible from the Moon? This space quiz for kids has the answers, and it fits the Earth and space topic taught in Year 5.
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The planets and the solar system
Put these planets in order, starting nearest the Sun: Earth, Mars, Mercury, Venus.
Mercury → Venus → Earth → Mars. Venus and Mars are Earth's next-door neighbours.
Which planet has a giant storm called the Great Red Spot?
Jupiter. The Great Red Spot is a storm that has been swirling for well over 150 years.
True or false: We always see the same side of the Moon from Earth.
True. The Moon spins once each time it circles Earth, so the same side always faces us.
True or false: There is no wind on the Moon.
True. With no wind or rain, the astronauts' footprints are still there.
Robot rovers called Curiosity and Perseverance drive about on one planet. Which planet?
Mars. Perseverance landed on Mars in 2021, carrying a little helicopter called Ingenuity.
True or false: Mars looks red because its dust is rusty.
True. Mars is covered in iron-rich dust that has rusted, like an old bike left out in the rain.
What keeps the planets going round the Sun instead of flying off into space?
- Gravity
- Wind
- Magnetism
- Electricity
Gravity. The Sun's gravity pulls on every planet and keeps each one on its path.
True or false: Pluto is one of the eight planets.
False. Since 2006, Pluto has been called a dwarf planet.
Put these planets in order of size, smallest first: Mars, Neptune, Saturn, Uranus, Venus.
Mars → Venus → Neptune → Uranus → Saturn. Uranus is slightly wider than Neptune, but Neptune is heavier.
What causes day and night?
- The Moon blocking the Sun
- The Sun going round Earth
- Earth going round the Sun
- Earth spinning
Earth spinning. When your side of Earth faces the Sun it's daytime. When it turns away, it's night.
True or false: The Great Wall of China can be seen from the Moon with your own eyes.
False. From the Moon, astronauts could pick out oceans and clouds, but no buildings or walls at all.
Which planet has the tallest volcano in the Solar System?
- Earth
- Mars
- Jupiter
- Venus
Mars. Olympus Mons on Mars is about two and a half times as tall as Mount Everest.
What happens in a solar eclipse?
- Clouds hide the Sun
- The Moon blocks the Sun
- Earth's shadow covers the Moon
- The Sun cools down
The Moon blocks the Sun. Never look straight at the Sun, even during an eclipse. It can badly hurt your eyes.
During a lunar eclipse, what covers the Moon?
- The Sun's shadow
- Earth's shadow
- Jupiter's shadow
- A cloud of space dust
Earth's shadow. In a total lunar eclipse, the Moon can turn a coppery red.
Where is the main asteroid belt?
- Between Mars and Jupiter
- Between Venus and Earth
- Between Earth and Mars
- Beyond Neptune
Between Mars and Jupiter. Despite what films show, the asteroid belt is mostly empty space. Spacecraft have flown through it safely many times.
The Sun, the stars and space travel
What is the name of our galaxy?
The Milky Way. The Milky Way holds more than 100 billion stars, and the Sun is just one of them.
Which constellation is known as the Hunter?
Orion. Look for three bright stars in a row. They make up Orion's Belt.
True or false: The International Space Station circles Earth about every 90 minutes.
True. That's fast enough for the crew to see about 16 sunrises every day.
Put these space firsts in order, earliest first: First people on the Moon, First person in space, First satellite, Hubble launches.
First satellite → First person in space → First people on the Moon → Hubble launches. The first satellite and the first people on the Moon were less than 12 years apart.
True or false: The Sun is the biggest star in the universe.
False. Plenty of stars are smaller than the Sun, but some giant stars are hundreds of times wider.
What do we call a scientist who studies stars and planets?
- An astrologer
- A geologist
- An astronomer
- An astronaut
An astronomer. Astronomers use telescopes on the ground and out in space to study the sky.
What do we call a huge group of billions of stars?
- A nebula
- A galaxy
- A solar system
- A constellation
A galaxy. There are billions of galaxies in the universe, each one a gigantic family of stars.
What is a shooting star, really?
- A planet zooming past
- A firework from space
- Space dust burning up
- A star falling to Earth
Space dust burning up. Most shooting stars are made by specks of space dust, many no bigger than a grain of sand.
Which spacecraft has travelled farther from Earth than any other?
- Voyager 1
- Apollo 11
- Voyager 2
- New Horizons
Voyager 1. Voyager 1 launched in 1977. It has left the Sun's bubble and entered interstellar space.
True or false: Sunlight takes about 8 minutes to reach Earth.
True. So when you look at a sunset, you're seeing the Sun as it was about 8 minutes ago.
What is a comet mostly made of?
- Ice, rock and dust
- Glowing lava
- Burning gas
- Melted metal
Ice, rock and dust. Comets are sometimes called dirty snowballs.
Which star is known as the North Star?
- Polaris
- Sirius
- Vega
- Rigel
Polaris. Polaris sits almost directly above the North Pole, so it barely seems to move all night.
Who was the second person to walk on the Moon?
- Buzz Aldrin
- Yuri Gagarin
- Michael Collins
- John Glenn
Buzz Aldrin. Buzz Aldrin followed Neil Armstrong down the ladder about 20 minutes after him.
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