Galaxy, moon phases, revolution vs rotation,

Most of the mass of the solar system is concentrated in the Sun which thus exerts the force called __________ that holds the system together.

• gravity

• fusion

• fission

• solar wind

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Hottest stars are 30,000- 60,000 K and are ________.

• Red

• Blue

• Green

• White

How does the sun compare to other stars in the universe?

• It is larger than most

• It is smaller than most

• It is an average size star

Stars with surface temperatures between 5000 and 6000 K (Kelvin) appear what color?

• Blue

• Red

• White

• Yellow

Arrange the following from smallest to largest.

Planets Stars Galaxies Nebulae

• Stars, Planets, Galaxies, Nebulae

• planets, stars, Galaxies, Nebulae

• planets, stars, Nebulae, Galaxies

• Galaxies, starts, Planets, Nebulae

Tags

NGSS.MS-ESS1-3

Which electromagnetic waves have the shortest wavelengths and highest frequencies?

• Gamma rays

• Radio waves

• X-rays

• Ultraviolet rays

Tags

NGSS.HS-PS4-1

What type of galaxy does not have a distinct shape due to a probable collision?

• Elliptical

• Spiral

• Irregular

• Linear

A star’s brightness depends on its _________.

Its color depends on its ___________________.

Its life cycle depends on its __________.

• size, mass, color

• size, temperature, mass

• temperature, mass, size

Tags

NGSS.HS-ESS1-1

Red stars are the _____________.

• hottest
• coolest
• biggest

Blue stars are the _____________.

• hottest
• coolest
• smallest