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Questions and Answers
An ______ is a rocky or metallic object that orbits the Sun.
asteroid
The Earth makes one complete ______ on its axis every 24 hours.
rotation
A ______ is an object made of rock, ice, dust, and gas that revolves around the Sun.
comet
A ______ is a large body in space that orbits a star but does not produce its own light.
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What is the primary distinction between a planet and an asteroid?
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Which definition best describes the term 'solar system'?
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What is the difference between rotation and revolution?
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Which of the following statements about moons is true?
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What role do comets play in the solar system?
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Study Notes
Vocabulary Words
- Asteroid: A rocky or metallic object that circles the Sun. It's much smaller than a planet.
- Rotation: When an object spins on its axis, like Earth spinning on its North-South line.
- Revolution: One object going around another object, like Earth going around the Sun.
- Comet: A space object made of rock, ice, dust, and gas, that circles the Sun.
- Moon: A natural object that circles a planet. Our Earth has one moon.
- Planet: A large space body that circles a star. It doesn't produce its own light.
- Solar System: A group of planets and other objects that circle a star. Our Sun is the star at the center of our solar system.
- Star: A huge object in space made of hot gas that makes its own light. Our Sun is a star.
Solar System Objects
- Asteroids are rocky or metallic objects that orbit the Sun. They are much smaller than planets.
- Comets are like dirty snowballs made of rock, ice, dust, and gas that revolve around the Sun.
- Planets are large bodies in space that orbit a star. They do not produce their own light.
- Moons are natural objects that orbit planets.
- Stars are large objects in space that are made of gas and produce their own light. The Sun is a star.
- Rotation is the turning of an object on its axis. The Earth rotates on its axis, which causes day and night.
- Revolution is the motion of one object around another object. The Earth revolves around the Sun, which takes approximately 365 days and causes the seasons.
- The solar system is a system of planets and other bodies that orbit a star. Our solar system includes the Sun, eight planets, dozens of moons, and millions of asteroids and comets.
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Description
Test your knowledge of key vocabulary words related to space and astronomy. This quiz covers important terms like asteroid, rotation, revolution, and more, essential for understanding our solar system. Perfect for students eager to learn about the universe!
