Physical Science Semester 2 Review 2

On a Hertzsprung-Russell Diagram, what are the low luminosity stars along the bottom?

• dwarf stars
• red giants and supergiants
• main sequence stars
• blue giants

What relationship does a Hertzsprung-Russell Diagram show?

• color and distance
• magnitude and temperature (Kelvin)
• color and temperature (Celsius)
• magnitude and size

Name the phase change: gas to liquid

• sublimation
• condensation
• evaporation
• melting

Tags

NGSS.MS-PS1-4

Name the phase change: solid to liquid

• freezing
• boiling
• condensation
• melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What color would a litmus paper turn if it were dipped in an acid?

• black
• red
• blue
• white

What color would a litmus paper turn if it were dipped in a base?

• black
• red
• blue
• green

What color are the stars in the spectral class that is between white and blue?

• orange
• red
• whitish blue
• yellow

This is the sum of the protons and neutrons in the nucleus of an atom.

• atomic number
• mass number
• ions
• isotopes

Our sun will eventually become:

• a black hole
• a neutron star
• a quark star
• a white dwarf 

Tags

NGSS.HS-ESS1-1

How many valence electrons does a neutral chlorine atom have?

• 2
• 17
• 6
• 7

Tags

NGSS.HS-PS1-1