Kepler's Laws

Front

What is the point in a planet's orbit where it is closest to the sun?

Back

Perihelion

Front

What does Kepler's 2nd Law state?

Back

Planets move faster when they are closer to the sun and slower when they are farther away, covering the same area in the same amount of time.

Tags

NGSS.HS-ESS1-4

Front

What happens to a planet's speed when it is farthest from the sun?

Back

It moves slower.

Tags

NGSS.MS-ESS1-2

Front

What feature is a scientist looking for when searching for areas where new solar systems might form?

Back

A cloud of dust and gas.

Front

At which position in an elliptical orbit is a moon traveling slowest?

Back

Location 4.

Front

What is Kepler's 1st Law?

Back

Planets move in elliptical orbits with the sun at one focus.

Front

What is Kepler's 3rd Law?

Back

The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.

Tags

NGSS.HS-ESS1-4

Front

Define aphelion.

Back

The point in a planet's orbit where it is farthest from the sun.

Tags

NGSS.MS-PS2-4

Front

What is the significance of the semi-major axis in an elliptical orbit?

Back

It determines the size of the orbit.

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Front

How does gravitational force affect a planet's orbit?

Back

It keeps the planet in orbit around the sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4