Components of the universe and types of galaxies

The shape of this galaxy is (a)  

• spiral
• elliptical
• barred
• irregular

Tags

112.28.b.9.B

The shape of this galaxy is (a)  

• spiral
• irregular
• elliptical
• lenticular

Tags

112.28.b.9.B

Which statement best describes a galaxy?

• A cloud of gas that is the birthplace of stars

• A system of billions of stars, gas, and dust held together by gravity

• A ball of plasma that experiences nuclear fusion in its core

• A mass of dust and ice that orbits a star in an elliptical pattern

Tags

112.28.b.9.B

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people of Earth cannot see the entire shape of the Milky Way?

• Earth is a part of this galaxy

• Many more stars exist outside the galaxy

• The stars in the center of the galaxy are extremely small

• The center of the galaxy consists of a dense cluster of stars

Tags

112.28.b.9.B

The shape of this galaxy is (a)  

• spiral
• lenticular
• elliptical
• irregular

Tags

112.28.b.9.B

The shape of this galaxy is...

Tags

112.28.b.9.B

What force acted on the massive nebula to collapse it and eventually form our sun?

• electrostatic force
• strong force
•  weak force
• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

Tags

NGSS.MS-PS1-1

Orbiting around another body.

• Revolves
• Rotates
• Ellipse
• Planetesimals

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Name the moon phase

• waning crescent
• waxing crescent
• waning gibbous
• waxing gibbous

Tags

NGSS.MS-ESS1-1