Quiz about Red-Shift and the expanding Universe

Question 1

About how long ago do scientists believe the universe began?

Accepted Answer

13-15 billion years ago

Answer

13-14 million years ago

Answer

2-3 billion years ago

Answer

21-22 million years ago

Question 2

If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...

Accepted Answer

Moving away from the Earth

Answer

Moving towards the Earth

Answer

This is a trick question that cannot be answered

Answer

It isn't a star, it is a very large blueberry.

Question 3

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

Accepted Answer

Redshift

Answer

Blueshift

Answer

Turbulance

Answer

Superposition

Question 4

The majority of matter in the universe is made of which two elements that formed after the Big Bang?

Accepted Answer

Hydrogen and Helium

Answer

Oxygen and Helium

Answer

Nitrogen and Carbon

Answer

Lithium and Oxygen

Question 5

Cosmic microwave background radiation is

Accepted Answer

The left over energy from the initial expansion of the universe.

Answer

used for communication.

Answer

created by satellites.

Answer

a myth.

Question 6

If an object is moving toward us, its spectrum will experience

Accepted Answer

blue shift

Answer

no shift

Answer

red shift

Answer

black spectrum

Question 7

Which stars have the greatest red shift?

Accepted Answer

Stars farthest from Earth with the greatest speed.

Answer

Stars closest to Earth where we can see them better.

Answer

Stars nearest Earth with least speed

Answer

Stars in the nearest galaxy that are spinning.

Question 8

Which of these is evidence for the Big Bang Theory?

Accepted Answer

cosmic microwave background radiation

Answer

blue shift

Answer

black holes

Answer

x-rays

Question 9

Dark matter is considered to be responsible for ...

Accepted Answer

...the formation & structure of galaxies

Answer

...the Big Bang

Answer

...the expanding universe

Answer

...dark energy

Question 10

Which is one piece of information that astronomers use to calculate the age of the universe?

Accepted Answer

patterns of background radiation

Answer

dark energy

Answer

the age of rocks on Earth

Answer

the current motion of inner planets

Question 11

Which statement accurately describes the Doppler effect?

Accepted Answer

It was used by Hubble to measure velocities of galaxies.

Answer

It indicates galaxy motion through changes in sound waves.

Answer

It indicates a galaxy moving toward Earth through red shift.

Answer

It indicates a galaxy moving away from Earth through blue shift

Question 12

Which evidence supports the big bang theory?

Accepted Answer

Uniform background radiation is detected in every direction

Answer

Planetesimals form in debris disks.

Answer

Most galaxies are moving toward us.

Answer

Galaxies spin faster than they should based on visible matter.

Question 13

Which event led to the formation of our solar system?

Accepted Answer

A solar nebula collapsed.

Answer

A galaxy broke apart.

Answer

A massive star exploded.

Answer

Dark matter materialized.

Question 14

In which order did the events forming our solar system occur?

Accepted Answer

The solar nebula spun faster and faster and flattened into a rotating disk. Most of the gas was pulled toward the center, where it became hot and dense, forming the Sun.

Answer

The solar nebula became hot and dense pulling in more gas. This flattened into a rotating disk. It spun faster and faster, forming the Sun.

Answer

Gas was pulled toward the center, forming the Sun. Gas flattened into a rotating disk and became hot and dense, forming a solar nebula that spun faster and faster.

Answer

Gas flattened into a rotating disk and became hot and dense, forming a solar nebula that spun faster and faster. Gas was pulled toward the center, forming the Sun

Question 15

Which statement accurately describes the inner planets?

Accepted Answer

The inner planets are also called terrestrial planets

Answer

Uranus is one of the inner planets.

Answer

The inner planets formed when the solar system cooled.

Answer

The inner planets are larger than the outer planets.

Question 16

Which statement accurately describes the outer planets?

Accepted Answer

The outer planets have a high gravity due to their large size.

Answer

Pluto is one of the outer planets.

Answer

The outer planets are also called rocky planets.

Answer

The outer planets have thin atmospheres.

Question 17

Which is currently the most supported theory about the future of the universe?

Accepted Answer

The universe may continue to expand.

Answer

The universe could remain exactly as it is today.

Answer

Stars could burn out, causing the universe to become dark and cold.

Answer

Gravity could pull galaxies back together, causing a reverse of the big bang.

Question 18

Which scientist discovered the red shift?

Accepted Answer

hubble

Answer

einstein

Answer

hoyle

Answer

newton

Question 19

Most scientists think that the universe is doing what?

Accepted Answer

expanding

Answer

shrinking

Answer

collapsing

Answer

none of the above

Question 20

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

Accepted Answer

Moving towards the Earth

Answer

Moving away from the Earth

Answer

This is a trick question that cannot be answered

Answer

It isn't a star, it is a very large blueberry.

Question 21

What does the red-shift tell us about the universe?

Accepted Answer

the universe is expanding

Answer

the universe is contracting

Answer

the big bang is false

Answer

nothing

Question 22

Galaxies that are redshifted are:

Accepted Answer

moving away from us.

Answer

actually blue.

Answer

really far away.

Answer

invisible.

Question 23

The blue section of the wave is measuring _________________.

Accepted Answer

wavelength

Answer

crest

Answer

trough

Answer

amplitude

Question 24

How can a scientist tell how quickly and object in space is moving and whether or not its moving toward Earth?

Accepted Answer

redshift and blueshift

Answer

ultraviolet and infrared

Answer

absorption and radiation

Answer

absorption and emission

Question 25

A light year is related to ...

Accepted Answer

Distance

Answer

Time

Answer

Energy

Answer

Mass

Question 26

A light year is...

Accepted Answer

The distance light can travel in a year

Answer

The speed light travels

Answer

How long it takes light to get to you from the sun

Answer

How many years it takes light to be emitted

Question 27

The initial explosion that resulted in the formation and expansion of the universe is called __________________.

Accepted Answer

the Big Bang

Answer

static state

Answer

cosmic radiation

Answer

dark matter

Question 28

Select a possibility of what will happen to the universe in the future.

Accepted Answer

The universe may expand forever, therefore galaxies will continue to get further away from each other.

Answer

The universe will be destroyed by aliens.

Answer

The universe will explode.

Answer

We don't have any hypothesis.

Question 29

Hubble's Law states that the farther away galaxies are from us, the _______________ it is that they moving away from us.

Accepted Answer

faster

Answer

more uncertain

Answer

slower

Answer

more unpredictable

Question 30

In which direction are nearly all galaxies moving?

Accepted Answer

away from each other

Answer

toward each other

Answer

colliding into one another

Answer

in the direction of Earth

Question 31

Which theory has no beginning?

Accepted Answer

Steady State

Answer

Big Bang

Answer

Both

Question 32

Hover your mouse over the image to make it bigger. This model is known as.............

Accepted Answer

heliocentric model

Answer

geocentric model

Answer

planetary model

Answer

Orion model

Question 33

Which theory has CMB radiation as evidence?

Accepted Answer

Big Bang

Answer

Steady State

Answer

Both

Question 34

If number 2 shows spectra from a stationary object, what type of shift is number 1? (Hint - which direction have the black lines moved towards?)

Accepted Answer

Red Shift

Answer

Blue Shift

Answer

Green Shift

Answer

Yellow Shift

Question 35

If number 2 shows spectra from a stationary object, what type of shift is number 3? (Hint - which direction have the black lines moved towards?)

Accepted Answer

Blue Shift

Answer

Green Shift

Answer

Yellow Shift

Answer

Red Shift

Question 36

Which has a longer wavelength?

Accepted Answer

Objects that are moving away from the stationary object (red shift)

Answer

Objects moving towards the stationary object (blue shift)

Answer

Objects that are stationary

Answer

Objects that are floating out of the galaxy

Question 37

Two factors effecting the amount of the force of gravity between 2 objects are...

Accepted Answer

mass and distance

Answer

distance and time

Answer

mass and time

Answer

time and weight

Question 38

The greatest gravitational force would be between objects that are:

Accepted Answer

Close together, both with a high mass

Answer

Far apart, both with a high mass

Answer

Far apart, one with a high mass and one with a low mass

Answer

Close together, both with a low mass

Red-Shift and the expanding Universe

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