Stars and Galaxies

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

The energy from the sun is created by a process called:

• nuclear fission
• nuclear fusion
• nuclear reaction
• nuclear core

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

How old is the universe?

• 11.7 million years

• 4.6 million years

• 4.6 billion years

• 13.7 billion years

Tags

NGSS.HS-ESS1-2

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• iron

Tags

NGSS.MS-ESS1-2

All stars begin as a __________?

• giant
• black hole
• white dwarf
• nebula

Tags

NGSS.HS-ESS1-3

A ______ telescope uses a mirror to focus light onto a small area.

• reflecting
• refracting
• radio
• spectrum

Tags

NGSS.MS-PS4-2

Telescopes in orbit above Earth's atmosphere.

• space telescope
• refracting telescope
• reflecting telescope
• radio telescope

Why don't we need to worry about the sun becoming a supernova?

• The sun already became a supernova.

• It is spinning too slowly.

• It doesn't have the right elements.

• It is not big enough.

About how long ago do scientists believe the universe began?

• 13-14 billion years ago

• 13-14 million years ago

• 12-13 thousand years ago

• 12-13 hundred years ago

Tags

NGSS.HS-ESS1-2