WorksheetsSemester Review
Total questions: 72
Worksheet time: 36mins
In which position will three-fourths of the illuminated side of the moon be visible from Earth?
A
B
C
D
In which position will one-fourth of the illuminated side of the moon be visible from Earth?
A
B
C
D
How are the sun, Earth, and moon aligned during a lunar eclipse?
In a straight line with the moon between Earth and the sun
In a straight line with Earth between the sun and the moon
With the sun and the moon at right angles to each other in relation to Earth
With the sun and Earth at right angles to each other in relation to the moon
Which of the following happens during a lunar eclipse?
Earth casts a shadow on the moon.
The moon casts a shadow on Earth.
Earth stops revolving in its orbit.
Earth starts revolving around the moon.
A coastline on Earth experienced a high tide at 6 a.m. At what approximate time will the next low tide occur, and why?
6 p.m., because the coastline will turn 90 degrees from the moon
6 p.m., because the coastline will turn 180 degrees from the moon
12 noon, because the coastline will turn 90 degrees from the moon
12 noon, because the coastline will turn 180 degrees from the moon
High tide are experienced 12 hours apart for a certain coastline. Which of the following best explains the reason for this phenomenon?
The coastline experiences tidal bulge twice a day.
The coastline experiences tidal bulge once a day.
The coastline comes in a straight line with the moon once.
The coastline becomes 90 degress with the moon twice.
During a certain time of the year, location B receives light rays spread out over twice as much area as location A. Which of the following explains which location is relatively cooler than the other?
Location A, because it receives sunlight at a smaller angle than location B
Location B, because it receives sunlight at a smaller angle than location A
Location A because it receives sunlight at a 90° angle
Location B, because it receives sunlight at a 90° angle
During a certain time of the year, the angle of the sun's rays at location C is smaller than the angle of the sun's rays at location D. Which location experiences cooler temperatures at that time?
Location C, because the smaller angle means the sunlight is spread out over more area
Location D, because the larger angle means the sunlight is spread out over more area
Location C, because Earth is tilted away from the sun at this time
Location D, because Earth is tilted towards the sun at this time
A location in the northern hemisphere is currently experiencing the longest day. It is a day with more hours of sunlight than darkness. Which of the following could be the current month?
April
December
June
May
A location in the northern hemisphere is currently experiencing equal sunlight as another location in the southern hemisphere. Which of the following could be the current month?
August
January
June
March
Which planets are likely to be inner planets?
W and X
X and Y
Y and Z
X and Z
Which planets are likely to be gas giants?
W and X
X and Y
Y and Z
W and Z
Which of the following correctly arranges the planets by the size of their diameter in increasing order?
Uranus < Neptune < Mercury < Earth
Earth < Mercury < Neptune < Uranus
Mercury < Earth < Saturn < Jupiter
Jupiter < Saturn < Earth < Mercury
Which of the following correctly arranges the planets by their orbital speeds from slowest to fastest?
Jupiter < Earth < Saturn < Mercury
Mercury < Saturn < Earth < Jupiter
Saturn < Jupiter < Mars < Mercury
Mercury < Mars < Jupiter < Saturn
Which of the following planets has iron oxide in its crust?
Mars
Mercury
Neptune
Venus
Which of the following planets has ammonia clouds in its atmosphere?
Jupiter
Mars
Mercury
Venus
Which of the following planets has the longest orbital period as compared to the others?
Jupiter
Mars
Neptune
Uranus
Which of the following planets has the smallest orbital radius as compared to the others?
Jupiter
Mars
Mercury
Venus
The mass of the star Proxima Centauri is 12% of the mass of the sun. What would be the likely impact on the motion of Earth if the sun were replaced by Proxima Centauri?
A day would be shorter because the gravity experienced by Earth would be stronger.
A day would be shorter because the gravity experienced by Earth would be weaker.
A year on Earth would be longer because Earth would move relatively faster in its orbit.
A year on Earth would be longer because Earth would move relatively more slowly in its orbit.
The star Betelgeuse is 20 times more massive than the sun. What would be the likely impact on the motion of Earth if the sun were replaced by Betelgeuse?
Orbital radius would increase because the gravitational pull would decrease.
Orbital radius would decrease because the gravitational pull would increase.
Orbital velocity would decrease because the gravitational pull would increase.
Orbital velocity would increase because the gravitational pull would decrease.
Which of the following explains why planets in our solar system are revolving around the sun?
The gravitational pull of the sun keeps the planets in their orbits.
The high pressure inside the sun attracts all planets towards the sun.
The nebular mass originally exploded to throw planets around the sun.
The high amount of energy released from the sun helps the planets revolve.
Which of the following explains why objects in our solar system are in a spinning motion?
The gravitational pull of the sun pushed objects into a spinning motion.
The massive size of the sun made all other objects in space spin fast.
Gravity pulled in new matter towards an already rotating nebula.
Gravity pushed away heavier matter towards the outside boundary of space objects.
According to Newton's law of gravitation, what affects the force of attraction between two objects?
Distance between them
Angle between them
Their shape
Their color
Which of the following properties of an object affects the gravitational force it exerts?
Its color
Its mass
Its shape
Its temperature
Which of the following is the center of the universe according to the heliocentric model?
Earth
Moon
Mars
Sun
Which of the following is the center of the universe according to the geocentric model?
Earth
Moon
Mars
Sun
How can spectroscopy and infrared technology be useful in space?
They can enhance speed by making spacecraft fuel more efficient.
They can measure magnetic fields produced by astronomical bodies.
They can provide an emergency escape to the astronaut from a space center.
They can determine the elements that make up the surface of astronomical bodies.
How can parachute systems that are in use for air travel on Earth be used in space technology?
They can detect charged particles in solar winds.
They can launch astronauts into space at accelerated speeds.
They can ensure a soft landing for astronauts and spacecraft.
They can help vehicles climb for use on rough surfaces of other planets.
The coolest and dimmest space objects emit radiation of longer wavelengths than those we can see. A detector for which type of electromagnetic radiation is most suitable to study cool dim stars?
Gamma ray
Infrared
Ultraviolet
X-rays
Certain high-frequency radiations are likely to cause harm to astronauts landing on Mars. A detector for which type of electromagnetic radiation is most suitable to study this harmful radiation on Mars?
Infrared
Radio waves
Ultraviolet
Visible light
Alan made the diagram below to represent ultraviolet rays, radio waves, gamma rays, and infrared rays based on their properties. Which wave best represents gamma rays?
Wave A
Wave B
Wave C
Wave D
Becky made the diagram below to represent ultraviolet rays, radio waves, gamma rays, and infrared rays based on their properties. Which wave best represents ultraviolet rays?
Wave A
Wave B
Wave C
Wave D
Malia states that a certain layer of the sun is like the main engine of a car, where all the energy required to make the car work is produced. Which layer of the sun is Malia referring to?
Convective zone
Inner core
Photosphere
Radiative zone
Dan states that a certain layer of the sun is like the brightest street lamp in a city. Which layer of the sun is Dan referring to?
Chromosphere
Convective zone
Photosphere
Radiative zone
What are the dark spots which appear from time to time on the sun's surface called?
Corona
Prominences
Solar flares
Sunspots
What are the short eruptions of intense high-energy radiation from the sun's surface called?
Corona
Prominences
Solar flares
Sunspots
From which of the following layers of the sun is light energy radiated into space?
Convective zone
Inner core
Photosphere
Radiative zone
Which of the following stars is most likely to be red?
Star A
Star B
Star C
Star D
Which statement is true about Star A?
It is red in color.
It is yellow in color.
It is four times brighter than the sun.
It is four times dimmer than the sun.
In which part of the sun do gases heat up and rise and then cool down and sink?
Convective zone
Inner core
Photosphere
Radiative zone
Which of the following represents the total amount of energy emitted from a celestial object?
Absolute brightness
Apparent magnitude
Nebula
Proto-star
Which of the following physical properties of stars are plotted on an HR diagram?
Absolute brightness and size
Apparent magnitude and mass
Apparent magnitude and luminosity
Absolute brightness and temperature
Which statement is true about our galaxy?
It forms an ellipse.
Its shape is irregular.
Its arms spiral outward.
It contains the universe.
Which statement is true about the Milky Way?
It is a big planet.
It contains the universe.
It has an irregular shape.
It has several billion stars.
Which of the following types of galaxies is least common?
Elliptical
Irregular
Lens
Spiral
How many types of galaxies are there?
3
4
5
6
Juan made the following bar graph shown to represent the relative distances of four different astronomical bodies from Earth. If D represents Mars, which of the following could be represented by B and C?
B could be the moon, and C could be the sun.
B could be the sun, and C could be the moon.
B could be the sun, and C could be planet Uranus.
B could be the moon, and C could be planet Uranus.
Ben made the following bar graph shown to represent the relative distances of four different astronomical bodies from Earth. If A represents the sun, which of the following could be represented by C and D?
C could be Venus, and D could be the moon.
C could be Uranus, and D could be the moon.
C could be the moon, and D could be Venus.
C could be Uranus, and D could be Venus.
Carla uses a table tennis ball and a volleyball to represent two astronomical bodies based on their sizes. Which of the following representations is the most correct based on what Carla has?
The table tennis ball represents the Milky Way and the volleyball represents the local group cluster.
The table tennis ball represents the solar system and the volleyball represents Earth.
The table tennis ball represents the solar system and the volleyball represents the moon.
The table tennis ball represents the Milky Way and the volleyball represents the solar system.
Alex uses a golf ball and a football to represent two astronomical bodies based on their sizes. Which of the following representations is the most correct based on what Alex has?
The golf ball represents the Milky Way and the football represents Earth.
The golf ball represents the solar system and the football represents Earth.
The golf ball represents the solar system and the football represents the moon.
The golf ball represents the solar system and the football represents the Milky Way.
Which of the following is most likely the distance between Mercury and Mars?
1,926 miles
6,256 kilometers
10.8 billion light years
1.14 astronomical units
Which of the following is most likely the distance between the Milky Way and another galaxy?
22,926 miles
30 million kilometers
10.8 billion light years
19.2 astronomical units
Which of the following is an appropriate unit to measure large distances across the universe?
An astronomical unit
A kilometer
A light year
A mile
Which of the following is an appropriate unit to measure large distances across the solar system?
Astronomical unit
Meter
Square mile
Year
The masses of all the substances either used up or formed during photosynthesis: A=192 grams, B=108 grams, C=264 grams, D=180 grams Which statement supports the conclusion that it follows the law of conservation?
The total mass of B and C, which are water and oxygen, is equal to the total mass of A and D, which are carbon dioxide and glucose.
The total mass of B and C, which are water and carbon dioxide, is equal to the total mass of A and D, which are oxygen and glucose.
The total mass of A and B, which are water and carbon dioxide, is less than the total mass of C and D, which are oxygen and glucose.
The total mass of A and C, which are water and carbon dioxide, is greater than the total mass of B and D, which are oxygen and glucose.
A, B, and C represent the masses of compounds either used up or formed by the combustion of coal. A=12 grams, B=44 grams, C=32 grams Which statement supports the idea that combustion follows the law of conservation?
The total mass of A and C, which are carbon dioxide and oxygen, is equal to the mass of B, which is carbon.
The total mass of A and C, which are carbon and oxygen, is equal to the mass of B, which is carbon dioxide.
The total mass of B and C, which are carbon and oxygen, is greater than the mass of A, which is carbon dioxide.
The total mass of A and B, which are carbon and oxygen, is greater than the mass of C, which is carbon dioxide.
A process in the carbon cycle is seen when carbon in coal burns in the presence of oxygen to form carbon dioxide. Which of the following statements best proves that the law of conservation is obeyed during this process?
The total mass of carbon used up is equal to the total mass of oxygen used up.
The total mass of oxygen and carbon dioxide is equal to the total mass of carbon.
The total mass of oxygen and carbon is equal to the total mass of carbon dioxide.
The total mass of carbon used up is equal to the total mass of carbon dioxide formed.
Which of the following statements best proves that the law of conservation of mass is obeyed during cellular respiration?
The starting total number of carbon atoms in glucose is equal to the ending total number of carbon atoms in water.
The starting total number of carbon atoms in glucose is equal to the ending total number of carbon atoms in carbon dioxide.
The starting total number of oxygen atoms in glucose is equal to the ending total number of oxygen atoms in carbon dioxide.
The starting total number of oxygen atoms in glucose and oxygen gas is equal to the ending total number of oxygen atoms in water.
Which processes represent respiration?
Process A and Process C
Process B and Process D
Process A and Process D
Process B and Process C
Which process represents eating?
Process A
Process B
Process C
Process D
Which of the following processes transfers carbon directly from sea water to sea plants?
Diffusion
Evaporation
Photosynthesis
Respiration
Which of the following processes transfers carbon directly from sea organisms to sea water?
Diffusion
Evaporation
Photosynthesis
Respiration
Why is this diagram incorrect?
Water is not formed during this process.
Carbon dioxide is not formed during this process.
The arrow for oxygen should point in the opposite direction.
The arrow for glucose should point in the opposite direction.
Why is this diagram incorrect?
Water is not used up during this process.
Glucose is not used during this process.
The arrow for oxygen should point in the opposite direction.
The arrow for carbon dioxide should point in the opposite direction.
Which of the following statements is true about the role of oxygen in cellular respiration?
It reacts with water.
It is one of the ending compounds.
It is one of the beginning compounds.
It reacts with carbon dioxide.
Which of the following statements is true about cellular respiration?
It converts energy into food.
It breaks down food to release energy.
It turns carbon dioxide into water.
It turns water into carbon dioxide.
During an experiment, Amara covered a part of a leaf of a green plant with dark paper and kept the plant in sunlight. Which statement best describes the result of this experiment?
The covered part will not receive sufficient water to make food.
The covered part will not make food in the absence of sunlight.
The uncovered part will have more chlorophyll than the covered part.
The uncovered part will receive more oxygen than the covered part.
Flask A had water and carbon dioxide, Flask B had potassium hydroxide solution to absorb carbon dioxide, plants are kept in sunlight and watered every day. Which statement best describes the result of this experiment?
The leaf in flask A will not get oxygen to make glucose.
The leaf in flask A will convert water into carbon dioxide.
The leaf in flask B will not get carbon dioxide to make glucose.
The leaf in flask B will remove the carbon dioxide produced.
Which of the following statements best describes the role of glucose during photosynthesis?
It reacts with water.
It is a product formed.
It reacts with carbon dioxide.
It is converted into light energy.
Which of the following statements is correct about the gases which participate in photosynthesis?
Carbon dioxide is used up, and oxygen is produced.
Oxygen is used up, and carbon dioxide is produced.
Carbon dioxide is used up, and hydrogen is produced.
Hydrogen is used up, and carbon dioxide is produced.
Which of the following methods can be used by officials to solve the problem of water pollution?
Dispose chemical wastes in dustbins.
Stop droughts and floods.
Increase the number of factories.
Use scientific solutions.
Which of the following is an example of how science can solve social problems?
It can reduce the frequency of severe weather conditions.
It can control the time and day when cyclones happen.
It can identify the sources of polluted water.
It can stop excessive rain from occurring.
