6th Grade GSE District 1 Study Guide

Front

What is the heliocentric model?

Back

The heliocentric model is a model proposed by Nicholaus Copernicus, which states that all planets revolve around the Sun.

Front

What happens to planets if the force of gravity between them and the Sun disappears?

Back

They would move in a straight line at a constant speed and velocity.

Front

What force is most responsible for the orbits of planets and moons?

Back

Gravity is the force most responsible for the orbits of planets around the Sun and moons around planets.

Front

Where is Earth located in the Milky Way galaxy?

Back

Earth is located in the Orion spur of the Milky Way galaxy.

Front

Which planet is the third from the Sun?

Back

Earth is the third planet from the Sun.

Front

Define gravity.

Back

Gravity is the force that attracts two bodies towards each other, such as the attraction between the Earth and objects on it.

Front

What is inertia?

Back

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

Front

What is the difference between geocentric and heliocentric models?

Back

The geocentric model places Earth at the center of the universe, while the heliocentric model places the Sun at the center.

Front

What is the significance of the Orion spur?

Back

The Orion spur is a minor spiral arm of the Milky Way galaxy where our solar system is located.

Front

What would happen to the planets' paths if they lost gravitational pull?

Back

Without gravitational pull, planets would not follow curved orbits and would instead move in straight lines.