8th-Science- Astronomy

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.HS-PS2-4

Which of the following sets contains only objects that shine as a result of reflected light?

• moons, planets, and comets

• moons, comets, and stars

• planets, stars, and comets

• planets, stars, and moons

Tags

NGSS.MS-PS4-2

An object composed mainly of ice and rock is orbiting the Sun in an elliptical path. This object is most likely __________.

• a planet

• an asteroid

• a meteor

• a comet

Tags

NGSS.HS-ESS1-4

The sun is composed mainly of ________________.

• helium

• hydrogen

• oxygen

• carbon

Tags

NGSS.MS-PS1-1

The following is evidence scientists use to support the Big Bang Theory:

• dark matter, Blue shift

• cosmology, Red Shift

• Parallax, Doppler Effect (Blue Shift)

• Background Radiation, Doppler Effect (Red Shift).

Tags

NGSS.HS-ESS1-2

Why do stars shine?

• Nuclear fusion in their cores

• Nuclear fission in their outer layers

• Matter is being destroyed

• Nuclear fusion in their outer layers

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

A high-mass star ends its cycle by becoming a...

• Neutron star and/or makes a black hole

• A white dwarf or black dwarf

• A black dwarf and makes a black hole

• A neutron star or a white dwarf

Tags

NGSS.HS-ESS1-3

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

• Red

• Blue

• Green

• White

It takes about ____ minutes for light to get from the sun to our earth.

• 1

• 3

• 6

• 8

Tags

NGSS.MS-ESS1-3

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

Tags

NGSS.MS-ESS1-3