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WorksheetsUnit 2 - Earth Science - Midterm Review
Total questions: 35
Worksheet time: 3hrs 55mins
Name
Class
Date
1.
Which statement best describes the relationship between Earth and the Milky Way Galaxy?
a)
Earth is billions of light-years away from the Milky Way Galaxy.
b)
Earth is part of a galaxy that is nearest to the Milky Way Galaxy.
c)
Earth is located in the Milky Way Galaxy but far from the galaxy center.
d)
Earth is positioned in the center of the Milky Way Galaxy.
2.
Which statement best describes the motion of the Earth around the Sun?
a)
The speed of Earth is constant regardless of its distance from the Sun.
b)
The speed of Earth is constant because the distance remains the same between Earth and the Sun.
c)
Speed increases the farther Earth is from the Sun and decreases the closer it is to the Sun.
d)
Speed increases the closer Earth is to the Sun and decreases the farther it is from the Sun.
3.
If it is summer in the northern hemisphere, which statement is true?
a)
Earth has changed the tilt of its axis by 20 degrees due to its revolution.
b)
It is winter in the southern hemisphere due to the tilt of Earth’s axis.
c)
It is summer in the southern hemisphere due to the tilt of Earth’s axis.
d)
Earth has reached its closest point to the sun due to its revolution.
4.
How does a straight alignment between Earth, the sun, and the moon impact the tides on Earth?
a)
It produces the greatest change in high and low tides.
b)
It produces the least change in high and low tides.
c)
It produces semidiurnal tides.
d)
It produces diurnal tides.
5.
How does heat from the sun get to Earth?
a)
By radiation, using electromagnetic waves to transfer the heat.
b)
By convection, using liquids and gases to transfer the heat.
c)
By conduction, using solids to transfer the heat.
d)
By absorption, using primary waves to transfer the heat.
6.
Why do green plants require solar energy?
a)
To produce their own food.
b)
To absorb nitrogen into their roots.
c)
To release carbon dioxide into the atmosphere.
d)
To decompose the dead or decaying remains of animals.
7.
Just as biologists classify living things, astronomers classify galaxies. What feature is used to classify galaxies?
a)
Size
b)
Shape
c)
Color
d)
Brightness
8.
The location of our solar system is illustrated in the diagram of the Milky Way Galaxy.
Which conclusion can be reached by the location of our solar system?
Which conclusion can be reached by the location of our solar system?
a)
Our sun is near the end of its star cycle.
b)
Our solar system has the only planets in the galaxy.
c)
Our solar system is surrounded by newly formed stars.
d)
Our sun will be pushed away from the galaxy.
9.
In which structure is the Sun located?
a)
Milky Way Galaxy
b)
Andromeda Galaxy
c)
Cat's Eye Nebula
d)
Horseshoe Nebula
10.
A student observes a glowing band across the night sky. This glowing band is most likely
a)
Orbiting planets in the solar system.
b)
A partial view of the Milky Way Galaxy.
c)
An asteroid orbiting the Sun.
d)
Light from stars in a distant galaxy.
11.
India is in the Northern Hemisphere and Australia is in the Southern Hemisphere. In June, it is summer in India and winter in Australia. What is the main reason the seasons are opposite in the two countries?
a)
Because Earth is tilted on its axis.
b)
Because the Sun rotates on its axis.
c)
Because Earth revolves around the Sun.
d)
Because of the distance between the countries.
12.
The diagram shows the tilt of Earth and the angle of arriving sunlight caused by this tilt.
Which conclusion is supported by the diagram?
Which conclusion is supported by the diagram?
a)
The equator has the greatest number of deserts.
b)
The Northern Hemisphere is experiencing daytime.
c)
The tilt of the Earth is causing iceburgs to melt.
d)
The Southern Hemisphere is experiencing summer.
13.
A direct alignment of bodies in the solar system can occur.
This alignment causes which phenomenon at Point X on Earth?
This alignment causes which phenomenon at Point X on Earth?
a)
Low tides
b)
Full moon
c)
Solar eclipse
d)
Winter season
14.
Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?
a)
Helium
b)
Nitrogen
c)
Oxygen
d)
Uranium
15.
As Earth revolves around the Sun, the number of daylight hours varies from place to place. In which location would the number of daylight hours remain constant?
a)
North Pole
b)
Prime Meridian
c)
Equator
d)
Antartica
16.
A low tide and a high tide occur in the oceans two times each day. Which factor has the greatest affect on the size of the tides?
a)
Air pressure differences.
b)
Gravitational pull from the Sun.
c)
Seasonal temperature variations.
d)
Gravitational pull from the Moon.
17.
The length of year is determined by the amount of times it takes
a)
The Moon to revolve around Earth.
b)
Earth to revolve around the Sun.
c)
Earth to rotate on its axis.
d)
The Sun to rotate on its axis.
18.
The diagram shows an arrangement of Earth, the Sun, & the Moon.
Which most likely occurs at Point X due to the position of the illustrated bodies.
Which most likely occurs at Point X due to the position of the illustrated bodies.
a)
Shorter hours of daylight
b)
Stronger magnetic field
c)
Early snowfall
d)
High tide
19.
The law that states that each planet revolves so that an imaginary line connecting it to the sun sweeps over equal areas in equal time intervals is part of _________ laws.
a)
Einstein's Laws
b)
Kepler's Laws
c)
Ptolemy's Laws
d)
The Law of Universal Graviation
20.
Earth's axis slowly but continuously points in different directions, a movement known as ___________.
a)
Retrograde motion
b)
Revolution
c)
Rotation
d)
Precession
21.
What movement of Earth is responsible for night and day?
a)
Rotation
b)
Revolution
c)
Precession
d)
Perigee
22.
Gamma rays, X-rays, visible light, and radio waves are all types of ____.
a)
Nuclear energy
b)
Chromatic aberration
c)
Ultraviolet radiation
d)
Electromagnetic radiation
23.
The source of the Sun's energy is __________________.
a)
Chemical burning
b)
Nuclear fission
c)
Nuclear fusion
d)
Photosynthesis
24.
Season's are cause by ________________.
a)
Earth's rotation
b)
Precession
c)
Earth's tilted axis
d)
Earth's distance from the Sun
25.
Why are the seasons of the Southern Hemisphere opposite to those in the Northern Hemisphere?
a)
Summer occurs when that part of the globe is tilled towards the sun
b)
When the Northern Hemisphere is tilted toward the sun the Southern Hemisphere is tilted away
c)
The part of the Earth tilted toward the sun gets more sunlight and is warmer
d)
All of the choices given
26.
Plants using sunlight to produce sugar through the action of the chlorophyll is known as __________.
a)
Precession
b)
Photosynthesis
c)
Nutation
d)
Barycenter
27.
Which of the following statements best explains why it is warmer at the equator than at the North Pole?
a)
The equator has a larger area than the North Pole
b)
The equator is closer to the Sun than the North Pole
c)
The equator receives more direct sunlight than the North Pole
d)
The equator has more hours of daylight per year than the North Pole
28.
Which of the following events is caused by Earth revolving around the Sun?
a)
The days in a year
b)
The hours in a day
c)
The changes in the atmosphere of Earth
d)
The position of the constellations in space
29.
Which phenomena occur as a result of the gravitational attraction between the sun, the moon and Earth?
a)
Eclipses
b)
Ocean Tides
c)
Seasonal changes
d)
Phases of the moon
30.
Which of the following is NOT a form of electromagnetic radiation?
a)
Radio waves
b)
Gravity
c)
Gamma rays
d)
Visible light
31.
According to the Big Bang Theory, the universe began about _________________.
a)
4.5 billion years ago
b)
13.7 billion years ago
c)
49.6 billion years ago
d)
130 billion years ago
32.
After a star has become a white dwarf, but right before it turns into a supernova, a star is the remains of a white dwarf after it has cooled. What kind of star is this?
a)
Red supergiant
b)
Black hole
c)
Blue star
d)
Black dwarf
33.
What do all stars begin as?
a)
Molecular cloud
b)
Protostar
c)
Neutron star
d)
Supernova
34.
At what moon phase does a lunar eclipse occur?
a)
Full moon
b)
New moon
c)
1st Quarter moon
d)
3rd Quarter moon
35.
Spring tides result in what kinds of high and low tides?
a)
Highest high tides and lowest low tides
b)
Regular tides (no change)
c)
Low high tides and high low tides
d)
Low high tides and low low tides
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