Chapter 4.1

Front

What is the Period of Rotation?

Back

The Period of Rotation is the time it takes for a celestial body to complete one full spin on its axis.

Front

What is the Period of Revolution?

Back

The Period of Revolution is the time it takes for a celestial body to complete one full orbit around another body.

Front

What is an Orbit?

Back

An orbit is the path an object takes as it moves around another object in space due to gravity.

Front

How many planets are in our solar system?

Back

There are 8 planets in our solar system.

Front

What is Inertia?

Back

Inertia is the resistance of an object to changes in its motion.

Front

What is Gravity?

Back

Gravity is the force that attracts two bodies towards each other.

Front

What is a Celestial Body?

Back

A celestial body is any natural object outside of Earth's atmosphere, such as stars, planets, moons, and asteroids.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

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.

Front

What is the role of the Sun in the Solar System?

Back

The Sun is the central star of the Solar System, providing light and heat that sustain life on Earth.