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Astronomy Unit Review

Total questions: 88

Worksheet time: 53mins

Name
Class
Date
1.
Which type of motion causes night / day? 
a)
Rotation
b)
Revolution
c)
Kepler's 1st Law
d)
Nutation
2.
Which term describes the time it takes for Earth to complete one circle around the sun.
a)
Rotation
b)
Revolution
c)
Kepler's 1st Law
d)
Barycenter
3.
Lasts 365 days
a)
Rotation
b)
Revolution
c)
Nutation
d)
Precession
4.
Lasts 24 hours
a)
Rotation
b)
Revolution
c)
Precession 
d)
Barycenter
5.
Earth's orbit follows an elliptical path.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
6.
When Earth orbits around the sun, it slows down when it is close to the sun. It speeds up its orbit when it is further from the sun. This is because the sun's gravity is stronger when you are closer to it.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
7.
Planets further from the sun have an orbit that lasts MUCH longer than planets that are close to the sun.
Pluto's orbit lasts over over 90,000 days.
Mercury's orbit lasts 88 days.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
8.
The Earth's axis changes direction (but the angle does NOT change).
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
9.
Causes the stars to change direction in the sky (every 26,000 years)
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
10.
During precession, the Earth wobbles a little. This DOES change the angle of the axis.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
11.
Causes seasons to be more dramatic.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
12.
Which term describes when the Earth spins on its axis.
a)
Rotation
b)
Revolution
c)
Kepler's Laws
d)
Precession
13.

The point between 2 objects where they balance each other

a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
14.

Which planets have shorter year, or orbit around the sun, than Earth?

a)

Mars and Jupiter

b)

Mercury and Venus

c)

Saturn and Uranus

d)

Neptune only

15.

What season is the southern hemisphere experiencing when the northern hemisphere is experiencing summer

a)

Fall

b)

Winter

c)

Spring

d)

Summer

16.

How long does it take for Earth to complete one full revolution around the sun?

a)

365 days

b)

24 years

c)

24 weeks

d)

6 months

17.

True or False: The Earth is closer to the sun during the summer months.

a)

True

b)

False

18.

The imaginary pole that runs through the center of the Earth is called Earth's _______________.

a)

Pole

b)

Axis

c)

Arm

d)

Hemisphere

19.

How many degrees is the Earth tilted on axis

a)

3.5 degrees

b)

23.5 degrees

c)

35.2 degrees

d)

235 degrees

20.

How did Earth get it's tilt?

a)

The moon's gravity

b)

Something large smashed into Earth

c)

The other planets made it tilt

d)

The sun made it tilt

21.

We experience the same amount of daylight hours and nighttime hours during a(n)

a)

Solstice

b)

Equinox

c)

Revolution

d)

Orbital Period

22.

Earth experiences seasons as it revolves around the sun because of its

a)

shape

b)

tilt

c)

speed

d)

mass

23.

Around June 22nd we have the greatest amount of day time hours. This day is also known as the

a)

Summer Equinox

b)

Summer Solstice

c)

Summer Hemisphere

d)

Direct Summer

24.

During an equinox the sun is directly over the

a)

North Pole

b)

South Pole

c)

Equator

d)

United States

25.

The spinning of Earth on its axis is known as

a)

Rotation

b)

Revolution

c)

Orbit

d)

Solstice

26.

How long does it take for Earth to complete one full rotation?

a)

2 hour

b)

4 hours

c)

24 hours

d)

240 hours

27.

The sun rises on the ____________

a)

North

b)

South

c)

East

d)

West

28.

What time of day is represented in the picture at letter x?

a)

Day

b)

Night

29.

True or false: The diagram represents summer in the northern hemisphere.

a)

True

b)

False

30.

What season would we be experiencing with Earth #1?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

31.

What season would we be experiencing with Earth #3?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

32.

Based on the diagram, which season would the northern hemisphere be experiencing?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

33.

What is a high tide?

a)

Sea pulled TOWARD the moon where Earth is CLOSEST to the moon

b)

Sea pulled AWAY from the moon where Earth is FARTHEST to the moon

c)

Sea pulled AWAY from the moon where Earth is CLOSEST to the moon

34.
Which body has the greater effect on Earth's tides?
a)
Sun
b)
Saturn
c)
Moon 
d)
Venus
35.
At the same time the sea is drawn to the moon, another tidal bulge takes place on other side of Earth?
a)
Yes
b)
No
c)
Maybe
d)
I don't know!
36.
When the moon is at full moon or new moon, what type of tide will we experience?
a)
rip tide
b)
spring tide
c)
neap tide
d)
breaker tide
37.
Spring tides and neap tides occur in patterns governed by the
a)
phases of the moon
b)
seasons (fall, winter, etc.)
c)
surface currents
d)
deep sea currents
38.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
39.
What are ocean tides?
a)
Long waves due to the gravitational pull of the moon only.
b)
Long period waves caused by wind.
c)
Short period waves caused by wind. 
d)
Long waves due to the gravitational pull between the Earth,sun and the moon
40.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
b)

Spring tides occur when the moon is in 3rd or 1st quarter phases

c)
Spring tides are LOWER than neap tides
d)

Spring tides occur when the Moon, Sun, and Earth are at a 90 degree angle with each other

41.

What type of tide would this arrangement of earth-moon-sun create?

a)

full moon tide

b)

new moon tide

c)

neap tide

d)

spring tide

42.

What happens when there is a spring tide?

a)
high tides 
b)
really high tides
c)
low tides
d)

average tides

43.

Which hemisphere do we live in?

a)

Northern Hemisphere

b)

Southern Hemisphere

c)

Arctic Hemisphere

d)

Eastern Hemisphere

44.
Earth's orbit follows an elliptical path.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
45.
When Earth orbits around the sun, it slows down when it is close to the sun. It speeds up its orbit when it is further from the sun. This is because the sun's gravity is stronger when you are closer to it.
a)
Kepler's 1st law
b)
Kepler's 2nd law
c)
Kepler's 3rd law
d)
Nutation
46.
When the moon revolves around the Earth, the Earth wobbles a little because the moon's gravity is tugging on it.
a)
Nutation
b)
Precession
c)
Barycenter
d)
Revolution
47.
An independent variable is.....
a)
What YOU change in an experiment
b)
What depends on what changes
c)
The constants in the experiment
d)
The best way the solve the problem
48.

Which of the following is LARGEST

a)

Solar System

b)

Star

c)

Planet

d)

Moon

49.

What is the wobbling of Earth on its axis called?

a)

precession

b)

Nutation

c)

Rotation

d)

Revolution

50.

Which of the following correctly places these in order from LARGEST to SMALLEST?

a)

galaxy -- local group/cluster -- planet -- solar system -- universe

b)

universe -- local group/cluster -- galaxy -- solar system -- planet

c)

planet -- solar system -- galaxy -- local group/cluster -- universe

d)

universe -- galaxy -- solar system -- local group/cluster -- planet

51.
Slow, circular movement at the top of Earth's axis
a)
precession
b)
barycenter
c)
revolution
d)

nutation

52.
A wobble back and forth
a)
Rotation
b)
Nutation
c)
Revolution
d)

barycenter

53.
Earth revolves around the sun
a)
Precession
b)
Rotation
c)
Revolution
d)

nutation

54.
The center of mass of an object
a)
Angle of Insolation
b)
Barycenter
c)
Equinox
d)

Precession

55.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
d)

Mercury, Earth, Mars, Venus, Jupiter, Saturn, Uranus, Neptune

56.

The point in the earth's orbit where it is closest to the sun and moves the fastest.

a)

aphelion

b)

perihelion

c)

equinox

d)

nebula

57.

The point in the earth's orbit where it is farthest to the sun and moves the slowest.

a)

aphelion

b)

perihelion

c)

equinox

d)

nebula

58.

Which of the following is SMALLEST

a)

Solar System

b)

Galaxy

c)

Universe

d)

Milky Way

59.

What is the sequence of the following terms in order from Largest to Smallest- 

a)

galaxy, planet, universe, solar system

b)

universe, galaxy, solar system, planet

c)

solar system, planet, galaxy, universe

d)

planet, solar system, galaxy, universe

60.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
61.
What is the energy conversion during photosynthesis?
a)
chemical --> chemical
b)
thermal --> electrical
c)
chemical --> electrical 
d)
radiant --> chemical
62.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
63.
The reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
64.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
65.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
66.
The product of nuclear fission includes
a)
neutrons and electrons
b)
several nuclei and neutrons
c)
several nuclei and electrons
d)
several nuclei and protons
67.
What is a beneficial aspect of nuclear fission?
a)
The ability to absorb energy
b)
The ability to release tremendous amounts of energy
c)
The ability to produce more energy than nuclear fusion
d)
There are no beneficial aspects of nuclear fission
68.
Two nuclei with low masses are combined to form one nucleus of larger mass is called what?
a)
Nuclear fission
b)
Nuclear fussion
c)
Nuclear half-life
d)
Half-life
69.
Which of the following is true about nuclear fusion?
a)
It is easy to implement.
b)
It produces less energy than nuclear fission.
c)
It produces more energy than nuclear fission.
d)
It has the ability to occur easily in everyday life.
70.
How do nuclear power-plants work?
a)
Fusion
b)
Half-life
c)
Fission
d)
Fusion or fission
71.

What is the source of the thermal energy that heats our planet’s atmosphere?

a)

Earth's core

b)

Green plants

c)

The Sun

d)

Fossil Fuels

72.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Water vapor

d)

All answers are correct

73.
The Earth acts like a greenhouse that catches and traps heat from the sun.
a)
true
b)
false
74.
What happens to the temperature if more greenhouse gases are released into the atmosphere?
a)
Temperature goes up
b)
Temperature goes down
75.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead
76.
True or False: All of the radiation from the Sun is absorbed by the Earth
a)
True
b)
False
77.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
78.

Which of the following does NOT happen to solar energy when it reaches Earth?

a)

Some solar energy reflects off the atmosphere, back to space

b)

Some solar energy passes through Earth and comes out the other side

c)

Some solar energy is absorbed by land and water

d)

Some solar energy is radiated from the Earth's surface and trapped by the atmosphere

79.

How is the greenhouse effect produced?

a)

When solar energy trespasses the atmosphere.

b)

When some energy is reflected back to earth.

c)

When the green house is burned.

d)

When the sun doesn't emit radiation.

80.
Increased carbon dioxide may cause global warming by
a)
allowing more sunlight into the atmosphere.
b)
reflecting more sunlight from clouds.
c)
reducing the amount of oxygen in the air.   
d)
trapping more heat in the atmosphere.
81.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
82.

Electromagnetic waves vary in

a)

the speed they travel in a vacuum

b)

wavelength and frequency

c)

the way they reflect

d)

the orientation of their electric and magnetic fields

83.

Infrared rays have a shorter wavelength than

a)

Ultraviolet ray

b)

X-rays

c)

gamma rays

d)

radio waves

84.

The visible light spectrum ranges between

a)

radio waves and X-rays

b)

infrared rays and ultraviolet rays

c)

television waves and infrared rays

d)

ultraviolet rays and gamma rays

85.
True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)
a)
true
b)
false
86.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
87.
How are electromagnetic waves different from other waves? 
a)
They have very short wavelengths 
b)
They transmit energy instead of matter 
c)
They can travel through empty space
d)
They can change direction by reflection 
88.
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.

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