Earth in the Universe

Front

What is the shape of the actual orbits of the planets?

Back

Elliptical, with the sun at one of the foci.

Tags

NGSS.MS-PS2-4

Front

What are terrestrial planets?

Back

Terrestrial planets are rocky, dense, and relatively small.

Front

What is a planet's average distance from the sun directly related to?

Back

Its period of revolution.

Front

What are giant clouds of gas and dust where stars form called?

Back

Nebula.

Front

What event has been linked to global climate change and mass extinctions?

Back

Asteroid impact.

Tags

NGSS.MS-LS4-1

Front

What is the center of our solar system?

Back

The Sun.

Tags

NGSS.MS-ESS1-1

Front

What are the four terrestrial planets in our solar system?

Back

Mercury, Venus, Earth, and Mars.

Front

What is the difference between terrestrial and gas giant planets?

Back

Terrestrial planets are rocky and dense, while gas giants are large and gaseous.

Front

What is the term for the time it takes for a planet to complete one orbit around the sun?

Back

Period of revolution.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is a black hole?

Back

A region of space where the gravitational pull is so strong that nothing, not even light, can escape.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4