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WorksheetsUnit 4
Total questions: 20
Worksheet time: 10mins
In which direction does Earth’s gravity pull?
toward the tallest mountain
.toward the North Pole
toward Earth’s center
toward the sun
The force of gravity between two objects increases as they are
spread apart
moved closer together
cooled
heated
The sun’s gravity is _________ Earth’s because the sun is _________ than Earth.
stronger than; smaller
weaker than; bigger
stronger than; bigger
weaker than; smaller
The moon’s gravity is weaker than Earth’s. If you went to the moon, you would
shrink and become shorter.
weigh less than you do on Earth.
float off into space.
not jump as high as you do on Earth.
How does the sun’s gravity affect Earth?
It causes objects to fall to Earth’s surface
It holds Earth in its orbit.
It causes the moon to rotate around Earth.
. It causes objects on Earth to have weight.
The intense ______ at the core of a star causes it to produce light.
sound
heat
cold
gravity
Why does only a small part of a star’s light reach Earth?
The sun absorbs most of the light
The atmosphere blocks most of the light.
The light is destroyed by the darkness of space
The light spreads out as it moves through space
Distances in space are so great, they are often measured in _________.
meters
light-years
feet per second
centimeters
The sun has the highest apparent brightness to Earth because it
is closer to Earth than any other star.
is larger than any other star.
produces more light than other stars
. is ho?er than other stars
Earth’s axis is an imaginary line that
goes around the equator.
traces Earth’s path through space.
goes from the North Pole to the South Pole
extends from Earth to the sun
The sun rises in the _______.
north
south
east
west
What causes day and night?
Earth moves closer to and farther away from the sun
Earth rotates on its axis
. The sun's light gets brighter and darker in a pa?ern
The moon moves into and out of the sun's light.
Why is the world divided into time zones?
Different places on Earth experience different seasons
The time the sun is at its peak differs from place to place.
Earth stops rotating on its axis at different times of the day
Which season has the fewest hours of daylight?
spring
summer
winter
fall
The word “constellation” can refer to either a recognizable star pa?ern or a/an
area in the sky.
very bright star
group of planets
meteor shower
Because of Earth’s rotation, stars in the night sky seem to
move in an arc.
vibrate in place.
disappear once per week.
grow bigger through the night.
Polaris is useful because it does not seem to move and always indicates the direction of ________.
north
south
east
west
Some stars that can be seen from Earth in summer are different from those than can be seen in winter because of
Earth’s rotation
Earth’s orbit around the sun.
the moon’s orbit around Earth.
All of the following shapes have been seen in the constellation Ursa Major EXCEPT a _______.
wagon
bear
bullfrog
plough
The moon appears to glow because
it is lit up by light from Earth.
its core burns gases to produce light
it reflects the sun's light that shines on it
its surface has substances that glow in the dark
