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WorksheetsScience Benchmark 3 review
Total questions: 38
Worksheet time: 38mins
Finish the sentence "The Sun is Earth's...
... closest Star."
...coldest place."
...ONLY energy source."
... planet."
Without the Sun, Earth would be...
...our planet would move to another Star.
...would be our own Sun.
..would be fine we do not need the sun.
...an icy cold planet, we wouldn't be able to survive.
The Sun is classified as a
A Comet
Planet
A Star that our solar system revolves around
A Moon
The Sun plays a major role in helping a plant grow because it–
Provides sunlight for photosynthesis to occur
provides fertilizer to the plant.
provides soil to the plant.
helps the rocks on the ground.
What are patterns in the night sky called?
planets
galaxies
constellations
Some dim stars appear brighter than bright stars because the dim stars may be closer to the Earth.
True
False
Is the Earth moving, or are the stars in the sky moving?
The Earth is moving
The stars move
We see different stars in the sky depending on the season.
True
False
When you look through a telescope, what seems to be increased?
shape
color
distance
size
The gasses in stars are:
Hydrogen & Helium
Oxygen & Nitrogen
Atmosphere
How bright a star looks to observers on Earth is its....
true brightness
apparent brightness
What color is the hottest star?
Red
Yellow
Blue
White
What color is the coolest star?
Red
Yellow
Blue
White
Why do astronauts bounce so high on the moon?
The moon has more gravity
The moon has no gravity
The moon has less gravity
Earth's gravity pulls everything toward:
North
South
East
The center of the earth
As distance increases, gravitational forces:
Decrease
increase
Disappear
Stay the same
A measure of gravitational force is:
weight
mass
newtons
watts
What two things determine the gravity of an object?
mass & weight
mass & distance
density & mass
volume & distance
What keeps the planets in orbit around the sun?
gravity
friction
density
distance
A boy throws a baseball up in the air. Why does the baseball fall back down to the ground?
the mass of the baseball decreases, causing it to fall
the weight of the ball causes the ball to fall
the force of gravity causes the ball to fall
the density of the ball causes the ball to fall
