WorksheetsUnit 6 Review 2018
Total questions: 40
Worksheet time: 20mins
All objects are attracted to each other by the force of
weight
mass.
inertia.
gravity.
Scientists have discovered that life forms on Earth exist
in a very narrow range of conditions.
in a very wide range of conditions
only in the atmosphere
in moist or humid habitats only.
Which two phases are gibbous moons?
F and G
E and C
B and H
A and G
The asteroid belt is located.
between Jupiter and Saturn.
between Saturn and Uranus.
between Mars and Jupiter.
between Earth and Mars.
The phase of the moon you see depends on
how much of the moon’s surface is lit by the sun.
where you are on Earth’s surface.
whether or not an eclipse is occurring.
how much of the sunlit side of the moon faces Earth.
The heliocentric system gained support when Galileo observed that
the orbit of each planet is an ellipse.
Venus goes through phases similar to those of Earth’s moon.
one side of the moon always faces Earth.
most of the smaller planets are closer to the sun
Neptune is very similar in size and color to
Uranus.
Earth.
Jupiter
Saturn
What do the first four outer planets have in common?.
They are about the same size as Earth and are made mainly of hydrogen and helium.
They are about the same size as Earth and are made mainly of iron.
They are much larger than Earth and are made mainly of hydrogen and helium.
They are much larger than Earth and are made mainly of iron.
In phase E, from what direction is the sun shining?
from the top
from the left
from the bottom
from the right
What is the name of the planet that is labeled number 8?
Saturn
Venus
Mercury
Earth
A total solar eclipse is visible from
only the dark side of Earth.
only within the moon’s umbra.
all over Earth.
only within the moon’s penumbra
When a meteoroid enters Earth’s atmosphere, it produces a streak of light called a(an)
meteor
comet.
asteroid.
meteorite.
Which is the smallest terrestrial planet?
Venus
Mercury
Earth
Mars
The atmospheres of the gas giant planets cannot escape into space because
the planets have very strong gravitational pulls.
the gases solidify at higher elevations.
although they are big, the planets have little mass,
the gases are too heavy.
Venus and Earth are much alike in terms of
their atmospheres.
their rates of rotation.
their direction of rotation
their size and density.
For a solar eclipse to occur,
the moon must be directly behind Earth.
Earth must be directly between the sun and the moon
the moon must be directly between Earth and the sun
the sun must be directly between Earth and the moon.
In a heliocentric model, Earth revolves around
the sun.
the stars.
the moon.
Mars.
What shape are the orbits of most comets?
spherical
long, narrow ellipses
circles
nearly circular ellipses
Uranus is different from most other planets because it
rotates on its side.
has the most moons
is mostly nitrogen and helium
is the farthest from the sun.
Where is the moon in relation to Earth and the sun during phase B?
It is on a 45 degree angle from the Earth and Sun
It is on the opposite side of Earth from the Sun
It is on the same side of the Earth as the Sun.
It is on a 90 degree angle from the Earth and Sun
Which of the inner planets does NOT show evidence of volcanic activity?
All of the inner planets have volcanoes
Mars
Mercury
Venus
The Milky Way galaxy is an example of a(an)
irregular galaxy.
elliptical galaxy.
spiral galaxy.
globular cluster
You are less likely to see a total solar eclipse than a total lunar eclipse because
new moon phases occur less often than full moon phases.
only people on the daytime side of Earth can see a solar eclipse.
the moon’s umbra only covers a small area on Earth’s surface.
the moon’s shadow covers all of Earth during a solar eclipse
Saturn’s rings are made up mostly of
chunks of ice, rock & dust
volcanic dust particles
nitrogen and helium
ice and water vapor.
What is distinctive about Jupiter?
It is the planet with the most spectacular rings.
d. .
Its axis of rotation is tilted 90 degrees.
It is the largest and most massive planet
It is the planet with the most spectacular rings.
The fact that each planet’s orbit is an ellipse was discovered by
Brahe
Copernicus
Galileo
Kepler
During what phase of the moon can a lunar eclipse occur?
first quarter
full moon
new moon
waxing gibbous
During a total lunar eclipse the moon is in Earth’s
umbra.
corona
orbit
penumbra
What do all of the inner planets have in common?
They all have abundant liquid water.
They all have many moons.
They all are small and have rocky surfaces
They all have rings
The hypothesis that Mars may once have had the conditions needed to support life is based in part on
the system of canals seen by Schiaparelli.
its similar size and temperature range to Earth
its thick, oxygen-rich atmosphere
evidence that liquid water was once present.
A light-year is
the distance light travels in a year.
the amount of light the sun produces in a month
the distance from Earth to Proxima Centauri
365 days
Meteoroids usually come from
meteorites.
debris from other planets
comets or asteroids
the solar wind
From the cosmic background radiation, scientists can infer that, just after the big bang, the universe must have been
the same average temperature as it is today
hot.
cooler than it is today.
very small
One of the conditions required for life on Earth is
polar ice caps.
liquid water
alternating day and night cycles.
extreme temperatures.
What do most scientists think is likely to happen to the universe in the future?
It will expand and then contract.
It will contract.
It will remain the same size.
It will expand forever.
Aside from Earth, which inner planet once had liquid water on its surface?
Europa
Mars
Mercury
Venus
The theory that astronomers have developed to describe the formation of the universe is called the
galactic expansion theory.
big crunch theory
big bang theory.
collision-ring theory
Copernicus explained that
there are only six planets
the sun is at the center of the system of planets.
the sun and the planets revolve around Earth.
the geocentric system is correct.
Scientists believe that the solar system formed from
a black hole.
an enormous explosion.
an expanding galaxy.
a giant cloud of gas and dust.
What causes the sun to set in a different position in the sky at different times of the year?
the position of the sun in its revolution
the position of the earth in its revolution
the tilt of the earth in its orbit
the position of the sun in its orbit
