Science quiz 9/23/2024

Question 1

What does blue mean

Answer 1

something is getting closer to earth

Question 2

What does the red shift mean

Answer 2

something is moving away from earth

Question 3

What is the name of the theory that explains the origin of the universe.

Answer 3

The big bang

Question 4

Evidence that supports the big bang

Answer 4

The radioactive aftermath, red shift of galaxies, universe is still expanding.

Question 5

celestial object

Answer 5

Any object in the universe above Earth’s atmosphere

Question 6

how long ago was the big bang

Answer 6

over 10

Question 7

Cosmic backround radiation provides evidence of

Answer 7

the universe

Question 8

what is a galaxy

Answer 8

a system of billions of stars. There are billions of galaxy’s in the universe

Question 9

Radiation

Answer 9

The transfer of heat from one point to another in the form of electromagnetic waves.

Question 10

What kind of object radiates electromagnetic energy

Answer 10

any object above absolute zero

Question 11

Cosmic microwave

Answer 11

Weak microwave energy is detected from everywhere in the universe
the energy is left over from the big bang and is equal to about 3k (-270^0C or -454^0F)

Question 12

Dobbler effect

Answer 12

light from all galaxys is shifted to the red end of the spectrum.
this red shift is caused by the galaxy’s moving away from us

Question 13

What apeers to be moving the fastest:
farther or closer galaxys

Answer 13

Farther galaxy’s