Science Starter 11/6

Who formulated three laws of planetary motion?

• Isaac Newton

• Galileo Galilei

• Johannes Kepler

• Nicolaus Copernicus

What is gravity?

• A force that affects the motion of objects in the universe

• A force that affects the motion of objects on Earth

• A force that affects the motion of objects in space

• A force that affects the motion of objects in the solar system

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What does Kepler's first law state?

• Planets move in circular orbits with the sun at the center.

• Planets move in elliptical orbits with the sun at one of the foci.

• Planets move in straight lines away from the sun.

• Planets move in parabolic orbits around the sun.

What does the second law state about the relationship between a planet and the sun in terms of the areas swept out?

Kepler's third law relates the time it takes for a planet to orbit the sun to its average distance from the ___

Tags

NGSS.HS-ESS1-4