Unit 4: Our Solar System

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, depending on their masses and the distance between them.

Front

What factors affect gravity?

Back

Gravity is affected by mass and distance.

Front

What is a comet?

Back

A comet is a chunk of ice and dust that has a bright head and a long narrow tail.

Front

What is the Goldilocks Zone?

Back

The Goldilocks Zone is the habitable zone around a star where the temperature is just right to support life.

Front

Which planet is number 7 in the solar system?

Back

Uranus is the 7th planet in the solar system.

Front

What happens to gravitational attraction if the distance between two objects decreases?

Back

The gravitational attraction increases if the distance between two objects decreases.

Front

What is the difference between a planet and a comet?

Back

A planet is a large celestial body that orbits a star, while a comet is a small icy body that can develop a tail when it approaches the sun.

Front

What is the main component of a comet's tail?

Back

A comet's tail is primarily made of gas and dust that is released when the comet approaches the sun.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is the solar system?

Back

The solar system is a collection of celestial bodies, including the sun, planets, moons, asteroids, and comets, that are bound by gravity.