Topic 11, Lesson 2 Vocabulary

An imaginary line that passes through a planet's center and its North and South poles, around which a planet orbits.

• Axis

• Rotation

• Revolution

• Orbit

• Solstice

The path of an object as it revolves around another object in space.

• Axis

• Rotation

• Revolution

• Orbit

• Solstice

The movement of an object around another object.

• Axis

• Rotation

• Revolution

• Orbit

• Solstice

The spinning motion of a planet on its axis.

• Axis

• Rotation

• Revolution

• Orbit

• Solstice

When either the Northern or Southern Hemisphere is at its strongest tilt towards the Sun.

• Axis

• Rotation

• Revolution

• Orbit

• Solstice

Either if the two days of the year when neither hemisphere is tilted towards or away from the sun (tilted towards its orbit)

• Equinox

• Gravity

• Law of Universal Gravitation

• Inertia

The attractive forces between objects; on Earth, the force that pull objects downwards.

• Equinox

• Gravity

• Law of Universal Gravitation

• Inertia

The tendency of an object to resist a change in motion.

• Equinox

• Gravity

• Law of Universal Gravitation

• Inertia

The scientific law that states that every object in the universe attracts every other object in the universe.

• Equinox

• Gravity

• Law of Universal Gravitation

• Inertia

Select all the terms that match "Earth's Revolution"

• One orbit around the Sun

• A year on Earth

• One spin around Earth's axis

• A day on Earth