Es

The Big Bang is said to have occurred

• 4.6 billion years ago

• 13.8 million years ago

• 100 thousand years ago

• 13.8 billion years ago

Tags

NGSS.HS-ESS1-2

Which scientist is credited for discovering red shift in stars spectra?

• Newton

• Doppler

• Foucault

• Einstein

What is the definition of nuclear fusion?

• production of gas

• The way a planet produces energy

• The way a star produces energy

• The combination of two planets to make one planet.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Stars that show red shift are. . .

• moving away from Earth

• moving toward Earth

• remaining stationary

Tags

NGSS.HS-ESS1-2

In what star stage is the Sun currently in?

• Main Sequence

• Supergiant

• Giant

• Dwarf

Tags

NGSS.HS-ESS1-1

What part of the moon do we see from Earth?

• all of it
• the same side
• none of it
• only one quarter

Tags

NGSS.MS-ESS1-1

Which moon phase is when you can't see the moon at all?

• Waning crescent
• Full moon
• Waxing gibbous
• New moon

Tags

NGSS.MS-ESS1-1

The cycle of the moon lasts about a _.

• day
• year
• week
• month

Tags

NGSS.MS-ESS1-1

One complete revolution of the Earth around the sun takes about

• one rotation
• half a year
• one year
• one season

Tags

NGSS.MS-ESS1-1

The Earth takes about __________________ hours to complete one rotation of its axis.  

• 12
• 24
• 14
• 28