The Solar System

What is something that might naturally orbit a planet?

• a star

• a comet

• a moon

• a solar system

Tags

NGSS.MS-ESS1-2

The period of revolution is the _____________________.

• time it takes a planet to orbit the sun.

• time it takes a planet to make one full rotation on its axis.

• greenhouse effect

• law of universal gravitation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The big bang theory states that the universe is

• expanding.

• shrinking.

• infinite.

• smaller than a galaxy.

Tags

NGSS.HS-ESS1-2

The Sun is at the center of

• the universe

• the galaxy

• the solar system

• the world

Tags

NGSS.MS-ESS1-2

The sun, comets, asteroids, planets, and natural satellites make up the

• solar system

• universe

• galaxy

• everything

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

A fragment of rock that hits a planet or moon is a

• asteroid

• meteorite

• moon

• planetoid

Mars is red due to

• Volcanic activity from Olympus Mons

• Soil rich in iron oxide (rust)

• The atmospheric conditions

• Tannic acid in the surface water.

Planets travel at a(n)

• constant speed around the sun.

• increasing speed around the sun.

• decreasing speed around the sun.

• increasing speed when it is closer and decreasing speed when it moves farther away from the sun.

Tags

NGSS.MS-ESS1-2

What describes Earth's revolution

• Earth's revolution is elliptical

• Earth's revolution is circular.

• Earth's revolution is sometimes circular and sometimes elliptical.

• Earth's revolution takes place 2 AU from the Sun.

What is true about terrestrial planets?

• The have similar densities

• They have similar diameters

• Their periods of rotation are the same

• They have similar rocky surfaces