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Earth Science - Unit 0/1 Test Review

Total questions: 59

Worksheet time: 2hrs 43mins

Name
Class
Date
1.

What is a pseudoscience?

a)

A set of beliefs whose conclusions and predictions that is not based on observation, objective reasoning, or scientific evidence.

b)

A set of beliefs whose conclusions and predictions that is based on observation, objective reasoning, or scientific evidence.

2.

Scientists estimate that all matter and energy in the universe burst from a single point about __________ years ago.

a)

13.7 thousand

b)

20 million

c)

13.7 billion

d)

20 trillion

3.

Which is the best description of the universe when it was a fraction of a second old?

a)

The universe was very cold and very large

b)

The universe was very hot and very large

c)

The universe was very hot and very small

d)

The universe was very cold and very small

4.

Which of these is NOT one of the pieces of evidence used to support the Big Bang Theory?

a)

Black holes

b)

Cosmic background radiation

c)

Redshift

d)

Abundance of H and He

5.

About _______% of the universe is Hydrogen and Helium.

a)

10%

b)

50%

c)

88%

d)

99%

6.

Energy left over from the Big Bang is called…

a)

X-ray radiation

b)

Cosmic background radiation

c)

Redshift

d)

Blueshift

7.

How does the concept of Redshift support the Big Bang Theory?

a)

Redshift shows that most galaxies are moving away from the Earth, expanding the universe.

b)

Redshift is an echo or fingerprint left behind from the Big Bang.

c)

Redshift shows that most of the universe is made of Hydrogen and Helium.

d)

Redshift shows that the universe is collapsing and getting smaller.

8.

Use the “Red Shifted Galaxies” graph to answer this question. The galaxy that is the farthest from Earth is also the ______________.

a)

slowest

b)

biggest

c)

smallest

d)

fastest

9.

A real world example of the Doppler Effect is…

a)

A bug standing still on the water

b)

A police siren changing pitch as it passes you

c)

The sun moving around the earth

d)

A stationary car, honking its horn in the parking lot

10.

How would an astronomer describe the light waves from Star B?

a)

The light waves are being stretched because the star is moving away from Earth.

b)

The light waves are being compressed because the star is moving away from Earth.

c)

The light waves are being stretched because the star is moving toward the Earth.

d)

The light waves are being compressed because the star is moving toward the Earth.

11.

Which two stars have a redshift in their light waves?

a)

Star A and Star B

b)

Star A and Star C

c)

Star B and Star D

d)

Star C and Star D

12.

What is the correct order of objects from smallest to largest?

a)

Universe, Galaxy, Solar System, Earth

b)

Galaxy, Universe, Solar System, Earth

c)

Earth, Galaxy, Solar System, Universe

d)

Earth, Solar System, Galaxy, Universe

13.

If the Sun were the size of a golf ball, how big would the Earth be?

a)

The earth would be as big as a basketball

b)

The earth would be the size of a marble

c)

The earth would be the size of a period (.)

d)

The earth would also be the size of a golf ball.

14.

What is wrong with the diagram of the Solar System?

a)

The planets are the wrong size

b)

The planets are in the wrong order

c)

Saturn does not have rings

d)

The Earth does not have a moon

15.

Which model of the Solar System did ancient astronomers support?

a)

Heliocentric

b)

Lunacentric

c)

Geocentric

d)

Terracentric

16.

Why do scientists use light years to measure the galaxy rather than meters?

a)

Meters are too small to use to measure large distances in the galaxy

b)

Light years only apply to the Milky Way galaxy

c)

Meters do not exist in outer space

d)

Light years are too small to use here on Earth

17.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
18.
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...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
19.
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...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
20.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
21.
When redshift occurs, the perceived frequency of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make bird sounds
22.
When redshift occurs, the perceived WAVELENGTH of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make squirrell sounds
23.

Which provides proof that the universe is expanding?

a)

Red shift of light from distant stars

b)

Blue shift of light from distant starts

24.

Ever since the universe began, the universe has been

a)

expanding

b)

contracting

c)

stays the same size

25.
The only elements in the universe were hydrogen and helium until:
a)
the big bang.
b)
humans came along.
c)
stars began doing fusion.
d)
the redshift was discovered.
26.
The Big Bang:
a)
is NOT an explosion in space.
b)
is an expansion OF space.
c)
is our best explanation for the beginning of the universe.
d)
All of the above.
27.
The most abundant element in the universe today is:
a)
water
b)
hydrogen
c)
oxygen
d)
carbon
28.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
29.
Short sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
30.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
31.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
32.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
33.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still. 
d)
Moving up slowly. 
34.
Alexandrian astronomer who proposed a geocentric system of astronomy that was undisputed until Copernicus (2nd century AD)
a)
Claudius Ptolemy
b)
Nicholas Copernicus
c)
Edwin Hubble
d)
Penzias and Wilson
e)
Hubble's Law
35.
1473-1543. Polish astronomer who was the first to formulate a scientifically based heliocentric model that displaced the earth from the center of the universe.
a)
Claudius Ptolemy
b)
Nicholas Copernicus
c)
Edwin Hubble
d)
Penzias and Wilson
e)
Hubble's Law
36.
A representation of the universe in which starts and planets revolve around Earth. Ptolemy proposed the model.
a)
Geocentric Model
b)
Heliocentric Model
c)
Big Bang Theory
d)
Cosmology
37.
A representation of the relationship between the Sun and planets in which the planets revolve around the Sun. Copernicus proposed the model.
a)
Geocentric Model
b)
Heliocentric Model
c)
Big Bang Theory
d)
Cosmology
38.
different colors of light emitted based on the chemical composition of the light source
a)
Electromagnetic Spectrum
b)
Frequency
c)
Wavelength
d)
Spectra
e)
Cosmic Background Radiation
39.

(_______________)- Land (Earth's core, mantle, mountains, sand, metals)

a)

Geosphere

b)

Hydrosphere

c)

Atmosphere

d)

Biosphere

40.

(_______________)- Water (oceans, lakes, rivers, groundwater, glaciers)

a)

Geosphere

b)

Hydrosphere

c)

Atmosphere

d)

Biosphere

41.

(_______________)- Air (oxygen, nitrogen, water vapor, zone, wind)

a)

Geosphere

b)

Hydrosphere

c)

Atmosphere

d)

Biosphere

42.

(_______________)- Life (plants, animals, insects, humans)

a)

Geosphere

b)

Hydrosphere

c)

Atmosphere

d)

Biosphere

43.
How does repeating an expirement improve the likelihood of obtaining accurate results?
a)
data can be compared
b)
time can be decreased
c)
equipment can be added
d)
procedures can be changed
44.
Which of the following is not an observation?
a)
Desirie used a thermometer to observe the temperature of the water.
b)
Jose believes that he remembers having seen a chupacabra (legendary creature) when he was a little boy.
c)
Pedro was looking at the bread and saw there was moisture in the bag.
d)
Michael could feel that the unknown substance was very rough. 
45.
As technology continues to improve, our understanding of science improves, because more advanced tools allow us to make better observations of the natural world.
a)
True
b)
False
46.
Science or Pseudoscience:  Personal bias and the opinion of the scientist.
a)
Science
b)
Pseudoscience
47.
Science or Pseudoscience:  Changing the data so that it supports my prediction.
a)
Science
b)
Pseudoscience
48.
In order for an explanation to be considered scientific, it must be based on ____________.
a)
an inference
b)
a conclusion
c)
past experience
d)
evidence
49.

Which Astronomer supported the idea of Geocentrism?

a)

Aristotle

b)

Claudius Ptolemy

c)

Galileo Galilei

d)

Kepler

50.

Which Astronomer developed Math to describe the motion of the planets (that we still use today)?

a)

Newton

b)

Copernicus

c)

Kepler

d)

none of these

51.
This astronomer confirmed the heliocentric theory with his telescope.
a)
Galileo
b)
Kepler
c)
Copernicus
d)
Aristotle
52.
Predicted the position the planets are in today
a)
Galileo
b)
Ptolemy
c)
Copernicus
d)
Aristotle
53.
This astronomer was convinced this image was accurate.
a)
Ptolemy
b)
Brahe
c)
Copernicus
d)
Galileo
54.
"Sun-Centered" universe model
a)
heliocentric
b)
geocentric
55.
He showed the laws governing astronomical bodies were the same laws governing motion on Earth
a)
Isaac Newton
b)
Charles Messier
c)
Tycho Brahe
d)
Hipparchus
56.

379,000 years after the Big Bang the Hydrogen and Helium nuclei attracted electrons and made the first atoms. Gravity pulls the hydrogen and helium atoms into enormous clouds of gas and dust. The clouds are pulled far apart from one another for 100 million years. Eventually, these clouds became _______ .

a)

Stars and Galaxies

b)

Nebulas

c)

the planet earth

d)

Black Holes

57.

Which part of the wave is the crest?

a)

A

b)

B

c)

C

d)

D

58.

Which of the following is 1 wavelength?

a)

A --> B

b)

A --> C

c)

B --> D

d)

B --> F

59.

Which letter indicates the trough of a wave?

a)

A

b)

B

c)

C

d)

D

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