The Solar System
Space Exploration
Planets
Space
100

What is the Solar System?

A collection of a sun, planets, comets, asteroids, meteors, and space debris.

100

What was the first animal to orbit Earth?

A dog

100
How many planets are in our solar system?

8

100

What is outer space?

The universe beyond Earth's atmosphere and between celestial bodies, like planets

200

What is a galaxy?

A large group of stars, gas, and dust that are bound together by gravity.

200

Who were the first two humans to step on the moon?

Neil Armstrong and Buzz Aldrin

200

What is the closest planet to the sun?

Mercury 

200

What is a Satellite?

Something that orbits around a planet or star.

300

What is a moon?

A natural rock object that orbits around a planet.
300

What was massive meteor that struck Russia in 2013 was called?

The Chelyabinsk Meteor

300

What is the largest planet in the solar system?

Jupiter

300

What is the Sun?

A massive ball of hot gas that gives off light and heat.

400

What is a comet?

A ball of frozen gas and dust that orbits around the sun.

400

List three benefits of Space Exploration.

Economy and Jobs, Satellites, scientific advancement.

400

Which planet is not considered a "Gas Giant" Jupiter, Mars, Uranus, Neptune?

Mars

400

The gravity on Mercury is about one-third of what is experienced on Earth. How would a person’s mass and weight differ if they were on Mercury?

There mass would stay the same but their weight would be one-third of that on earth.

500

What is a meteor?

A small piece of an asteroid or comet that breaks apart and enter Earth's atmosphere.

500

List three negatives of Space exploration.

Financial cost, Environmental impacts, competition for funding.

500

Which planet is know for being a "Gas Giant" with lots of rings?

Saturn

500

How is mass different than weight?

Mass is a measure of how much matter is in an object.

Weight is a measure of how the force of gravity acts upon that mass