Solar System Basics
Space Exploration
Vocabulary Blast
Mass vs Weight
Planet Facts
100

This is the name for a group of planets and other objects orbiting the Sun.

What is the solar system.

100

This animal was the first to orbit the Earth.

What is a dog.

100

This natural rock object orbits a planet, such as Earth.

What is a moon?
100

This term describes the amount of matter in an object.

What is mass?

100

This planet is the largest in our solar system.

What is Jupiter?

200

These are two examples of objects found in the solar system that are NOT planets.

What are moons and asteroids.

200

One benefit of space exploration is this improvement in technology and knowledge.

What is better communication or scientific understanding.

200

This icy ball of dust and gas orbits the Sun and has a visible tail.

What is a comet?

200

This term describes the force of gravity acting on an object.

What is weight?

200

Of Jupiter, Mars, Uranus, and Neptune, this is the only one that is not a gas giant.

What is Mars?

300

This massive ball of hot gas sites at the centre of the solar system.

What is the Sun.

300

This object, which can be natural or artificial, orbits a planet.

What is a satellite?

300

This small space rock burns up in Earth's atmosphere when it enters.

What is a meteor?

300

This is the key difference between mass and weight.

What is mass stays the same everywhere, but weight depends on gravity?

300

This planet is first in line from the Sun.

What is Mercury?

400

This planet is the closest one to the Sun.

What is Mercury.

400

These are two challenges or disadvantages of space exploration.

What are high cost and risk of human life.

400

This star gives off light and heat and is the largest object in our solar system.

What is the Sun?

400

This would happen to your weight—but not your mass—on Mercury.

What is it would decrease due to lower gravity?

400

This gas giant has rings and is second in size only to Jupiter.

What is Saturn?

500

This gas giant is known for its large rings.

What is Saturn.

500

These are two benefits and two drawbacks of using technology for space exploration.

What are better weather forecasts and communication, and high cost and pollution?

500

This object is often confused with a comet, but unlike a comet, it burns in the atmosphere.

What is a meteor?

500

This explains why your weight would be more on Jupiter and less on the Moon, but your mass would not change.

What is gravity affects weight, not mass?

500

This was the name of the meteor that exploded over Russia in 2013.

What is the Chelyabinsk meteor?

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