Free sample activity · Grades 3–5
Solar System Practice
Use this short review after introducing our solar system. It distinguishes stars, planets, moons, and dwarf planets without asking learners to memorize changing counts of discovered moons.
6 questions · No account · No timer · Immediate feedback
Before you begin
How to use this activity
Allow about five minutes. Write the eight planets in order from the Sun and keep that list nearby. A model can help show which object each body orbits.
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Put it into practice
Choose an answer, read the explanation, then move to the next question. Your answers stay in this page and are not saved.
What type of object is the Sun?
The Sun is the star at the center of our solar system. The planets orbit it.
How many planets are recognized in our solar system?
The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto is classified as a dwarf planet.
Which planet is third from the Sun?
The order starts Mercury, Venus, Earth, and Mars. Earth is therefore the third planet from the Sun.
Which is the largest planet in our solar system?
Jupiter is the largest planet in our solar system. It is also the fifth planet from the Sun.
Which object is Earth's natural satellite?
The Moon is Earth's natural satellite. It orbits Earth while Earth and the Moon travel around the Sun.
How is Pluto classified?
Pluto is a dwarf planet. It orbits the Sun but is not included in the current list of eight planets.
Practice complete
Draw a simple model showing the Sun, Earth, and Moon. Label the body that Earth orbits and the body that the Moon orbits.
Review every answer and explanation below, or try the activity again.
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Keep the reasoning
All questions, answers & explanations
Use this review before or after practice. You can read and print it without JavaScript.
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Our star
What type of object is the Sun?
Answer: A star
The Sun is the star at the center of our solar system. The planets orbit it.
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Planet count
How many planets are recognized in our solar system?
Answer: Eight
The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto is classified as a dwarf planet.
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Earth's position
Which planet is third from the Sun?
Answer: Earth
The order starts Mercury, Venus, Earth, and Mars. Earth is therefore the third planet from the Sun.
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Largest planet
Which is the largest planet in our solar system?
Answer: Jupiter
Jupiter is the largest planet in our solar system. It is also the fifth planet from the Sun.
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Natural satellite
Which object is Earth's natural satellite?
Answer: The Moon
The Moon is Earth's natural satellite. It orbits Earth while Earth and the Moon travel around the Sun.
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Pluto
How is Pluto classified?
Answer: A dwarf planet
Pluto is a dwarf planet. It orbits the Sun but is not included in the current list of eight planets.
Take it one step further
Draw a simple model showing the Sun, Earth, and Moon. Label the body that Earth orbits and the body that the Moon orbits.
Background reading
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