Worksheetsmars project 2
Total questions: 24
Worksheet time: 22mins
The distance between stars is typically measured in
light years
starlight
astronomical units
miles
Which of the following objects does NOT orbit directly around the sun?
planets
comets
moons
all of the above
The moon most likely formed
from a collision of Earth with a Mars-sized object.
in another region of space and drifted toward Earth.
from asteroids in the solar system that came together.
in the same way as Earth was formed.
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.
The big bang theory explains the
origin of the universe.
life cycle of a star.
formation of solar system.
arrangement of constellations.
The gravitational force between two objects increases as mass
decreases or distance decreases.
decreases or distance increases.
increases or distance decreases.
increases or distance increases.
Many of the Moon's craters formed when:
Volcanoes erupted
Seas evaporated
The Sun partly melted the surface
Space objects hit the Moon's surface
The further a planet is from the sun the __ it is.
colder
hotter
smaller
larger
When does a lunar eclipse occur?
When the Earth's shadow is cast on the moon
When the moon's shadow is cast on Earth
When the moon's shadow is cast on the Sun
When the Sun's shadow is cast on Earth
A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.
Big Bang Theory
Singularity Theory
Galaxy Theory
A large grouping of stars, planets, gas, and dust in space held together by gravity.
Universe
Galaxy
Space
A unit of length equal to the distance that light travels through space in one year.
Leap Year
Light-Year
Frequency
How is a theory different from a guess? Choose the best answer.
a theory cannot be disproven; a guess can be
a theory is backed up by hard evidence; a guess is not
a theory is agreed upon by scientists; a guess is only agreed upon by laypeople
a theory is usually very old; a guess is usually very new
Where is the center of the universe located?
there is no center of the universe
at the center of the Milky Way galaxy
14.5 Billion Light away from Earth
in a large singularity near the Andromeda Galaxy
