Solar System and Gravity

Front

What are the inner planets of the Solar System?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are rocky and have a solid outer layer.

Front

Which planet is known as the 'red planet'?

Back

Mars is called the 'red planet' because of its iron-rich soil.

Front

What two factors affect gravity?

Back

Gravity is affected by mass and distance.

Front

What keeps the planets in orbit around the sun?

Back

The balance between gravity and inertia keeps the planets in orbit around the sun.

Front

What is the term for the Earth going around the sun?

Back

The term is 'revolution'.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, depending on their mass and distance.

Front

What is the largest planet in the Solar System?

Back

Jupiter is the largest planet in the Solar System.

Front

What is the main component of the sun?

Back

The sun is primarily made of hydrogen and helium.

Front

What is an orbit?

Back

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

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.