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WorksheetsSpace Science 2020
Total questions: 80
Worksheet time: 41mins
In a diagram depicting the solar system as heliocentric, what is located at the center?
Earth
the sun
the moon
Mars
Ocean tides are the result of
the rotation of Earth.
the sun’s gravitational pull on Earth.
changes in Earth’s orbital position around the sun.
differences in both the sun’s and moon’s gravitational pull on Earth.
Study Figure 25-1. Suppose you are an astronaut on the side of the moon facing Earth during a total lunar eclipse. Which would you see as you look toward Earth?
Earth illuminated by reflected moonlight.
The normal view; there is always reflected light from the moon’s surface.
You could not see the sun because Earth blocks its light.
The light from the sun behind Earth would be blinding.
The distance between stars is typically measured in
light-years
liometers
astronomical units
miles
Stars appear to move because
the moon changes position in the sky.
the Sun orbits the Earth.
the moon moves with the stars.
the Earth is rotating on its axis.
This is a photo of the constellation Orion. Orion can be seen from most places in the world at some point during the year. Orion is not seen from the same place all year long because
Orion orbits the Sun, changing its position relative to the Earth.
Orion orbits the Earth like the Moon does.
the Earth orbits the Sun, changing the night view from Earth.
the Earth rotates, making Orion visible during the day from some places and during the night from others.
Why do other stars appear so much dimmer than the Sun?
All the other stars are much smaller than the Sun.
The Sun is much hotter than all the other stars.
All the other stars are much farther away from us than the Sun.
The Sun is much brighter than all the other stars.
Kyle was riding in the car at night. He noticed that the headlights of other cars seemed to get larger as they came closer to him.
How are the headlights of the cars similar to the stars and the Sun?
The Sun appears larger because it is closer to Earth.
The Sun is smaller than all of the other stars in the galaxy.
The Sun is larger than all of the other stars in the galaxy.
The Sun appears smaller because it is closer to Earth.
Charlie looks into the sky with his telescope. One of the stars he sees is a small dot of light named Vega.
Vega is about twice as wide as the Sun. Why does Vega look so much smaller than the Sun?
Its height is much smaller.
It is much farther away.
It doesn't give off as much light.
It isn't as hot.
A sailor is in a sailboat on the ocean at night and cannot see land. She wants to know the direction of true north. Without knowing her position, how can she use astronomy to find true north?
measure the angle between the Sun and the Moon
use a telescope to see the direction the stars face
locate the stars that reflect light from the Moon
find the position of the North Star in the sky
While at summer camp, Susan noticed a triangle pattern of bright stars straight up in the sky every night.
One day in late fall Susan looked for the triangle of stars in the sky but she could not find it. What is the most likely reason that she couldn't find the same pattern of stars?
The stars that made up the pattern had all burnt out.
The stars are always changing their positions to form new patterns.
Different patterns of stars can be seen in different seasons.
The same patterns of stars can always be seen throughout the year.
A pattern of stars that has been named is called a constellation. One winter evening, Jason found the star called Sirius in the constellation called Canis Major.
If Jason came outside again a few hours later, what would the stars in Canis Major look like?
The pattern of stars would appear to be in the same place in the sky.
The pattern of stars would appear to have moved together across the sky.
The pattern would be smaller because the stars moved closer together.
The pattern would change because each star would have moved in a different direction.
A star chart of the Northern Hemisphere is shown above.
Star charts can be used...
to determine the density of stars.
to locate and identify star patterns.
to determine the temperature of stars.
to determine the mass of stars.
The Sun is a star. Scientists have explained that the reason the Sun looks larger than other stars is that the Earth is much closer to the Sun than to other stars.
Lena has noticed some of the stars in the night sky look smaller than others.
What is the best prediction that Lena could make about the stars?
All stars are the same distance from the Earth.
The stars that look largest are closest to the Earth.
The stars that look smallest are closest to the Earth.
The stars that look largest are moving toward the Earth.
Which of the images below shows the positions of the Earth, Moon, and Sun during a lunar eclipse?
The image below shows the Sun, Earth, and Moon in alignment. The image is not drawn to scale.
In what phase would the Moon appear to a viewer from Earth during this alignment?
full moon
half moon
crescent moon
new moon
The Sun always shines on half of the Moon. During a new moon, the Moon looks dark.
Where is the lit side of the Moon during a new moon?
The lit side faces away from the sun.
The lit side faces away from the Earth.
The lit side faces toward the Earth.
The lit side faces half away from the Earth.
Which of the following correctly describes the relationship between the Earth and the Moon?
none of these
The Moon orbits the Earth.
The Earth does not orbit the Moon and the Moon does not orbit the Earth.
The Earth orbits the Moon.
Evan sees a lunar eclipse one night. When he briefly observes the Moon, about half of it is bright and the other half is dark. He wonders what phase the Moon is in during this event.
Evan decides to use a model of the Sun-Earth-Moon system to determine the Moon's phase during a lunar eclipse. He uses a light bulb to represent the Sun and its light, a softball to represent the Earth, and a golf ball to represent the Moon.
Which diagram shows how Evan should arrange his model to investigate a lunar eclipse?
While researching Moon phases, Carrie found images of what the Moon looked like for several days in November one year.
On which day was the Moon most directly in between the Earth and the Sun?
November 16th
November 7th
November 22nd
November 1st
It takes the Earth _______ to complete one revolution around the Sun.
One year
One hour
One day
One month
Julio is using a globe and a flashlight to model what causes the seasons. To represent winter in the Northern Hemisphere, he positions the globe and flashlight as shown.
How should Julio adjust his model to represent summer in the Northern Hemisphere?
He should make the flashlight brighter and move it closer to the globe.
He should move the flashlight upward so that it shines down onto the Northern Hemisphere.
He should put the globe on the other side of the flashlight and turn the flashlight around.
He should spin the globe on its tilted axis so that the other half of it is lit.
The Earth's axis of rotation is tilted. Because of this, the amount of sunlight a point on the surface receives each day varies depending on the time of year. These variations result in four distinct seasons.
The diagrams below show the Earth at four different points in its yearly revolution around the Sun. Which of the below positions will result in minimum daylight hours and the coldest temperatures for the Northern Hemisphere?
The diagram below represents the positions of the Earth and Sun during different times of the Earth year.
Based on the information in the diagram, what causes the Earth to have seasons?
the Earth's revolution around the Sun only
the Earth's tilt and its revolution around the Sun
the Earth's tilt and its rotation on its axis
the Earth's rotation on its axis only
The diagram below shows the Earth's position in relation to the Sun during the month of June. A location in the Northern Hemisphere is labeled as location X.
Which of these is true about location X during the month of June?
Location X has 24 hours of darkness followed by 24 hours of daylight throughout the month.
Location X has more hours of daylight than hours of darkness per 24-hour day.
Location X has more hours of darkness than hours of daylight per 24-hour day.
Location X has 12 hours of darkness followed by 12 hours of daylight per 24-hour day.
There are eight planets in the Solar System. Each planet is different from the others, but they all share some common characteristics.
Which of the following is a similarity of all planets?
All planets orbit a star.
All planets are the same size.
All planets have organisms on them.
All planets have liquid water.
Which are the outer planets of the Solar System?
Jupiter, Mercury, Saturn, Neptune
Mercury, Venus, Earth, Mars
Jupiter, Saturn, Uranus, Neptune
Neptune, Jupiter, Uranus, Venus
What do the planets Saturn, Uranus, and Neptune have in common?
They are all smaller than Earth.
They all have rocky surfaces.
They are the closest to the Sun.
They are all gaseous planets.
When Travis woke up, he looked out his bedroom window and saw that is was daylight. Later that day, before going to sleep, he saw that it was nighttime. What caused day to turn into night?
The place on Earth that Travis lives spun to face away from the Sun.
The Sun spun on its axis to face away from the Earth.
The Sun moved away from the place on Earth that Travis lives.
The Moon moved around the Earth to block the Sun's light.
The picture shows us how the Sun's rays strike Earth. Because of the Earth's tilt on its axis, some parts of Earth are having summer, and others, winter. What letter or letters on the Earth are experiencing winter?
A
D
A and B
A and D
The tilt of the Earth's axis of rotation is responsible for the
ocean's tides
size of the moon
brightness of stars
earth's seasons
Earth orbits the Sun every 365 days, causing seasonal patterns that vary by location. In the summer, the Northern Hemisphere is tilted toward the Sun, receiving the greatest amount of solar energy than any other time of the year. What can be expected in the Northern Hemisphere during this season?
warmer temperatures and decreased daylight
cooler temperatures and increased daylight
warmer temperatures and increased daylight
cooler temperatures and decreased daylight
Although the distance between the Earth and Sun varies slightly throughout the path of Earth's orbit, it has little impact on seasonal changes. What has the most impact on the seasonal changes that create variations in daylight and temperature?
the alignment of the Moon, Earth, and Sun
the length of the Sun's orbit around Earth
Earth's axial tilt and relation of the axis to the Sun
Earth's axial tilt changes direction as it orbits the Sun
Hundreds of years ago, it was believed by many that our solar system was Geocentric. This means that Earth is at the center of the solar system, with the Sun and other planets orbit around it. Today, the solar system is now thought to be Heliocentric.
What does this mean?
The Sun and other planets orbit Earth.
Earth and all the other planets orbit the Sun.
The other planets orbit Earth, and Earth orbits the Sun.
The Sun orbits Earth and the other planets orbit the Sun.
In the early 1600's, Galileo modified the lenses used in a scientific tool. After doing this, he was able to use it and see, for the first time, some of the moons of Jupiter.
The device Galileo used was a...
bifocal.
hubble.
microscope.
telescope.
When the Sun is completely blocked out by the Moon a ________________ occurs.
total solar eclipse
total lunar eclipse
partical solar eclipse
partical lunar eclipse
During a ________ moon, we see one whole side of the Moon here on Earth.
crescent
full
gibbous
new
The yellow circle represents the sun. If you were standing on the blue circle (Earth) and looking up at the moon, you would be seeing the _________ moon
new
full
crescent
gibbous
As Earth spins on its axis, producing night and day, it also moves about the Sun in an elliptical orbit that requires about 365 1/4 days to complete. The Earth's axis is tilted with respect to its orbital plane. When the earth's axis points towards the sun, it is __________ for that hemisphere.
day
night
summer
winter
The picture shows us how the Sun's rays strike Earth. Because of the Earth's tilt on its axis, some parts of Earth are having summer, and others, winter. What letter or letters on the Earth are experiencing summer?
B
C
B and C
C and D
If Earth were not tilted on its axis, what change would we experience?
Day length would be less than 24 hours.
Both sides of the moon would be visible.
Temperatures would be constant year round.
The length of the year would be more than 365 days.
Which location of the moon relative to the sun and earth may produce a waning (getting smaller nightly) half moon?
Position A
Position B
Position C
Position D
The revolution of the Moon around the Earth makes the Moon appear as if it is changing shape. From Earth we see the Moon grow from a thin crescent to a full moon and then shrink back to a thin crescent again. The phases of the Moon depend on its position in relation to the Sun and Earth. As the Moon makes its way around the Earth, we see the bright parts of the Moon's surface at different angles. These are called "phases" of the Moon.
Why does the moon have different phases?
the Sun moves around the Moon
the Moon moves around the Sun
the Moon moves around the Earth
the Moon follows the Sun around the Earth
The full moon rises in the east at the time of sunset. After rising, it continuously moves to the west and is seen high in the sky close to midnight. Which of these is the reason for the change of the moon’s position in the night sky?
The moon rotates on its axis.
The continuous change in the phases of the Moon.
The moon orbits counterclockwise around the earth.
The earth rotates from west to east on its own axis.
Recycling centers are where people take materials that may be reused to make new products. How does recycling paper products affect our environment in a positive manner?
reduces air pollution
increases the amount of trees being cut down
increases soil erosion
decreases the destruction of habitats
What negative consequence would most likely occur from burning coal?
a decrease in gases that warm the air
an increase in the amount of air pollution
a decrease in river water pollution
an increase in river water temperatures
Why are fossil fuels considered a nonrenewable resource?
Fossil fuels are used by very few people around the world.
Fossil fuels are difficult to locate.
Fossil fuels are found in areas around the world.
Fossil fuels take millions of years to form.
Danny wants to throw away his plastic water bottle that he is no longer using. Which of the following disposable methods would best help conserve natural resources?
burying the bottle in his front yard
taking the water bottle to his community's closest recycling center
throwing the bottle onto his dad's burn pile
throwing the bottle in the nearest trash can
Which of the following materials are natural resources?
water
carpet
homes
soil
sunlight
A local business claims that they are doing "everything possible" to reduce greenhouse gas emissions. Which company practice would cause a consumer to question their claim?
The building is powered by geothermal energy.
The building uses motion sensor lights.
The company's modes of transportation all run on diesel fuel.
The company uses only recycled paper products.
Select the nonrenewable resources listed below. (More than one may be used)
coal
water
sun
natural gas
trees
Select the renewable natural resources. (more than one may be used)
water
coal
natural gas
trees
sunlight
A weather satellite can capture a picture of a hurricane from space and send the information to Earth within seconds. How would the people that live near the ocean where the hurricane is forming benefit by having a photograph of a hurricane so quickly?
The photo could change the direction of the hurricane.
The effects of the hurricane damage can be diminished.
The people will have a better understand of how long the hurricane will last.
The people can be better prepared because of the early warning.
Adding harmful materials or chemicals to the soil, water, or air is known as ___________.
reducing
reusing
pollution
conservation
Select the characteristics of the inner planets in our solar system.
gaseous
terresterial
after the asteroid belt
few satellites
orbits the sun in a clockwise direction
Select the characteristics of the outer planets.
large
after the astroid belt
rocky
few satellites
orbits the sun in a counter-clockwise direction
Choose the word that best completes each part of the sentence below.
The sun appears to be __________ than the other stars we see at night because it is ______________.
closer
larger than the other stars
brighter
farther away from Earth.
closer to Earth.
The star chart above shows some of the constellations that are visible in the Southern Hemisphere during the Winter.
Which constellation is most visible to the people that live in the Northern section of the Southern Hemisphere?
Big Dipper
Orion
Cassiopeia
Cygnus
A telescope is made of lenses aligned inside a tube like structure.
How does a telescope help astronomers to gather knowledge about objects in our solar system?
The telescope calculates the exact size of all celestial bodies in space.
The telescope singles scientist when new celestial bodies are found in space.
The telescope predicts when astroids will enter Earth's atmosphere.
The telescope helps observe the surface features of the celestial bodies in space.
What makes constellations appear to move across the sky?
The revolution of the moon around Earth.
The rotation of the sun on its axis.
The rotation of Earth on its axis.
The tilt of Earth on its axis.
What tools (instruments/objects) did explorers use to navigate?
compass
telescope
map
Stars (star chart)
GPS
The star chart above shows the visible constellations in the Northern Hemisphere during Spring. Which constellation will most likely not be visible in the Northern Hemisphere in the Summer?
Orion
Ursa Minor
Virgo
Hercules
In the Spring the constellation Leo is visible to anyone residing in the Northern Hemisphere, but in the Summer it is only partially visible. Why is this?
Because as Earth rotates on its axis, the constellation Leo appeared to move across the night sky.
Because as the moon orbited Earth, it blocked part of the constellation Leo from view.
Because as the Earth revolves around the sun, its new location in the Summer gives the Northern Hemisphere a partial view of the constellation Leo.
Because as the Earth rotates around the sun, its new location in the Summer gives the Northern Hemisphere a partial view of the constellation Leo.
Why do stars in the night sky look like tiny points of light, even though they are much larger than Earth?
They are moving very fast.
The stars visible at night are very far from Earth.
Earth's atmosphere blocks most of their light.
Most of the light from the stars we see at night is absorbed by the galaxies before reaching Earth.
The table shows examples of constellations that are best seen from the Northern Hemisphere by season.
Which statement explains why different constellations are visible as the seasons change?
Earth is tilted on its axis.
Earth spins on its axis.
Earth revolves around the sun.
Earth has a magnetic field.
Star A and Star B are identical. However, Star A looks dimmer than Star B. Which statement may explain why Star A seems dimmer than Star B?
Star A is closer to the observer than Star B.
Star B is closer to the observer than Star A.
One way to reduce the need for fossil fuels is by developing _________.
alternative energy sources
gasoline powered cars
new oil sources
natural gas lines
Conserving wetlands and reducing deforestation will help __________.
stop air and water pollution
slow over population of the urban communities.
eliminate invasive species.
protect habitats
Because conservation means using fewer natural resources and reducing waste, it helps our communities by__________.
preventing biodiversity and the destroying of species
eliminating invasive species and creating habitats
slowing overpopulation and growing food
preventing habitat destruction and reducing pollution
Which of the following are NONRENEWABLE sources of energy?
water, wood, wind
coal, oil, natural gas
wind, water, sunlight
soil, sunlight, and air
Which of these are examples of natural resources?
factories, roads, and trees
people, minerals, and soil
coal, sunlight, and automobiles
soil, forests, and minerals
The use of pesticides and fertilizers must be carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemicals on the environment?
Runoff carries these chemicals into lakes and streams.
Storage space for these chemicals is limited.
These chemicals cannot be purchased in large bulk.
These chemicals are expensive to produce.
What do humans do that releases greenhouse gases into the atmosphere?
Ride bikes and use solar energy.
Compete in the Olympics.
Build wooden structures.
Burn fossil fuels, like gas and coal.
What celestial body is the center of our solar system?
sun
Earth
Moon
inner planet
What is the proper alignment for a solar eclipse to occur?
Sun- Earth- Moon
Moon- Earth- Sun
Earth- Moon- Sun
Sun- Moon- Earth
The image above represents a ________________.
Full Moon
Solar Eclipse
New Moon
Lunar Eclipse
A lunar eclipse occurs when ____________.
the sun passes through the Earth's shadow
the sun passes between the Earth and the moon
the moon passes through the Earth's shadow
the sun passes through the moon's shadow
A substance that pollutes something, especially water or the atmosphere is called ________________
dirt
oxygen
polluant
evaporation
Which of the following options correctly pairs up all of Earth's spheres?
(Hydrosphere-Earth's water) (Biosphere-Earth's land) (Lithosphere- All living organisms on Earth) (Atmosphere- Earth's air)
(Lithosphere- Earth's Land), (Biosphere- Earth's Living Organisms), (Hydrosphere- Earth's Water), (Atmosphere- Earth's Crust)
(Hydrosphere- Earth's Water), (Atmosphere- Earth's Air), (Lithosphere- Earth's Land), (Biosphere- Earth's Living Organisms)
(Biosphere- Earth's Biosphere), (Lithosphere- Earth's Crust), (Atmosphere- Earth's Water), (Hydrosphere- Earth's Air)
Change of season is mainly due to Earth's revolution around the sun.
True
False
