Ess 1-2

Which of the following BEST describes the shape of each planets orbit?

• circle

• elliptical

• sphere

• rectangular

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Why is a year on the outer planets much longer than a year on the inner planets?

• they are larger

• they are closer to the sun

• they have a larger orbit since they are further from the sun

• a year is the same amount of time on all planets

A collection of stars, dust, and gas held together by gravity.

• Universe

• Galaxy

• Planetary System

• Astronomical Unit (AU)

Tags

NGSS.MS-ESS1-2

A large spiral galaxy that is home to Earth and the rest of our solar system, and about a trillion stars. .

• Milky Way

• Galaxy

• Planetary System

• Astronomical Unit (AU)

Tags

NGSS.MS-ESS1-2

A star with planets and other celestial bodies orbiting around it, held together by gravity.

• Light year

• Galaxy

• Planetary System

• Astronomical Unit (AU)

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Our sun, planets, and all the other objects that revolve around the sun.

• Light year

• Galaxy

• Solar System

• Astronomical Unit (AU)

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

The distance light travels in one year

• Light year

• Celestial body

• Distance

• Astronomical Unit (AU)

An exploding ball of burning gas held together by gravity, creates its own heat and light.

• Planet

• Celestial body

• Star

• Planetoid

Motion that results from the combination of the objects forward movement and the pull of gravity on the object.

• Mass

• Asteroid

• Orbital Motion

• Planetoid

Tags

NGSS.MS-ESS1-2

An elongated circle, or oval shape, the shape of the planets orbit.

• Mass

• Asteroid

• Ellipse

• Planetoid