Worksheetscomet, meteors, asteroids
Total questions: 102
Worksheet time: 2hrs 42mins
A ____ is a piece of rocky interplanetary matter traveling through space.
Meteoroid
Meteor
Meteorite
A ____ is the light that is produced as a piece of rocky interplanetary matter burns when it enters the Earth's atmosphere.
Meteoroid
Meteor
Meteorite
When can we see comets?
When they land on Earth
When they break through our atmosphere
When they travel close to the sun
When they travel past the moon
What is a meteorite?
A small comet
A broken meteor
A broken planet
A piece of stone or metal
What causes Meteoroids to burst into flames upon entering the Earth's Atmosphere?
They are made out of flammable materials
They cannot handle the pressure of Earth
They do not burst into flames, they only reflect the Sun's light
Friction from the Earths atmosphere
Where is the Oort Cloud?
Between the Sun and Mercury
After Neptune
Between the Earth and the Moon
Between Earth and Mars
Galileo saw that much of the moon's surface is covered with round pits called ______.
telescope
satellite
geosynchronous orbits
crater
maria
Galileo made his own ________ by putting two lenses in a wooden tube.
satellite
geosynchronous orbit
maria
telescope
crater
The moon's surface also has dark, flat areas, called ________, which is Latin for "seas"
telescope
maria
crater
geosynchronous orbit
satellite
What is the approximate size of the moon.
about twice the size of Earth
about half Earth's diameter
about the size of Hawaii
about one quarter Earth's diameter
What is the first step of the theory of the Moon's Origin?
A large object strikes Earth.
Material from Earth's outer layer breaks off.
The material from Earth is thrown into orbit.
Material in orbit forms the moon.
What is the second part of the theory of the Moon's Origin?
Material in orbit forms the moon.
The material from Earth is thrown into orbit.
Material from Earth's outer layer breaks off.
A large object strikes.
Which is the third part of the theory of the Moon's Origin?
Material from Earth's outer layer breaks off.
Material from Earth is thrown into orbit.
A large object strikes Earth.
Material in orbit forms the moon.
What is the last part of the theory of the Moon's Origin?
A large object strikes Earth.
The material from Earth is thrown into orbit.
Material in orbit forms the moon.
Material from Earth's outer layer breaks off.
Who made a telescope in 1609 that allowed him to see details of the moon nobody had ever seen before?
John F. Kennedy
Neil Armstrong
Galileo Galilei
Buzz Aldrin
What are the features of the moon's surface?
meteors
craters
highlands
oceans
maria
What causes craters on the moon?
hurricanes
meteorides
volcanoes
tornadoes
Which best describes maria?
Highland peaks that cast dark shadows
Low, dry areas that were once flooded with molten material
Vast oceans that cover much of the moon
Craters made from exploded volcanoes
Which president of the United States launched an enormous program of space exploration and scientific research in the early 1960's?
Ronald Reagan
George Washington
Abraham Lincoln
John F. Kennedy
Which spacecraft flew into orbit around the moon in July, 1969.
Surveyor
Sputnik 1
Skylab
Apollo 11
Who was the first person to walk on the moon?
Michael Collins
Buzz Aldrin
Neil Armstrong
Galileo Galilei
What did Neil Armstrong say when he took his first step onto the moon?
(a)
How have scientists learned about the material that makes up the moon's surface?
How do scientists know that the moon's surface once was very hot?
What did scientists conclude from moon rocks that had been broken apart and then reformed?
The interior of the moon remains very hot.
true
false
Seismometers detected extremely strong moonquakes on the moon.
true
false
Which sentences are true about the far side of the moon.
It is almost completely covered with maria.
It is rougher than the near side.
It has few maria.
It is ver smooth with no visible craters.
In 1998, what did the Lunar Prospector discover about the moon's poles?
Often called a dirty snowball because of its composition
Asteroid
Meteor
Comet
They are leftovers from the formation of the solar system
Asteroid
Comet
Meteor
Often called shooting or falling stars
Asteroid
Comet
Meteor
All of them have a cloud called a coma and most have a tail
Asteroid
Comet
Meteor
There are millions of them but only a few thousand have been specifically identified
Asteroid
Comet
Meteor
Some of these can grow up to 90 million miles in length
Asteroid
Comet
Meteor
When falling to the Earth, many burn up and some land where we can see!
Asteroid
Comet
Meteor
Most of them are located between the inner and outer planet boundary
Asteroid
Comet
Meteor
Depending on their location, they may have different names
Asteroid
Comet
Meteor
They originate from the Kuiper Belt or from the Oort Cloud
Asteroid
Comet
Meteor
Check all the following statements that are TRUE
Asteroids are made of rock and metal
Comets are made of ice, rock, and dust
Comets can be found in the Oort Cloud
All the above
Asteroids are irregularly shaped due to less mass and gravitational force
TRUE
FALSE
Asteroids can range in size from 1 meter to 1000Km
TRUE
FALSE
Comets make there way around the sun in an elliptical orbit.
TRUE
FALSE
Where are most of the asteroids in the solar system located?
Asteroid Belt
Orion's Belt
Gemini Area
What compromises the structure of a comet?
Nucleus, Coma, Dust tail, Ice
Nucleus, Dust tail & gases
Nucleus, Coma, dust tail & gas tail (ion tail)
Nickname for Comets--
Rocks that glow
rock "stars"
dirty snowballs
As comets approach the sun they travel faster and have:
shorter tails
medium tails
longer tails
no tails due to solar winds
After orbiting the sun frequently Comets break into:
meteors
meteoroids
meteorites
As a meteor enters the earths atmosphere the pressure from the air molecules causes it to heat up
TRUE
FALSE
A meteoroid is found
in Space
entering earths atmosphere
impacting earths surface
Meteor is also known as a shooting star
TRUE
FALSE
What creates a bowl shaped hole known as a crater
meteor
meteorite
meteoroid
What contributed to the extinction of dinosaurs 65 million years ago? Check all that apply
impact asteroid
blocking of sunlight
plants could not photsynthesize
A high frequency of meteors entering Earth's atmosphere is called a
meteor shower
Constellation
What happens when the comets go near the sun?
the tails are developed
become smaller
disappear
burned
Which of the following is not true about meteors?
Some portions are burned up in the atmosphere
They do not reach the ground of the Earth
Scientists can collect so much of it
They come in a group
What is the main difference between asteroids and meteoroids?
Asteroids are pieces of comets, whereas meteoroids are pieces of space debris
Asteroids are only found in the “belt” between Mars and Jupiter
Meteoroids are generally bigger than asteroids
Asteroids are generally bigger than meteoroids
How do we know if a meteor has made contact with Earth’s atmosphere?
It burns up and becomes a “shooting star”
A species like the dinosaurs die out
We find space rock on the ground
Humans on Earth die
What is found in the middle of Mars and Jupiter’s orbit?
Asteroid belt
Comets
Meteors
Planets
What part of the comet forms around a comet's nucleus? This cloud is made by solar wind striking the surface of the nucleus, causing a mixture of gas and dust to form around it.
Coma
Fire
Light
Ring
What type of asteroids that is rich in metallic substances such as nickel- iron, giving them reddish in color?
C – type
M – type
N – type
S – type
Which among the choices is one similarity between asteroids, comets, and meteors?
come from the Asteroid belt
come from the Oort cloud
made of rock
orbit the Sun
Which best describes the tail of a comet?
Trails behind the comet, pointing away from the Sun as the comet approaches it, and toward the Sun as the comet moves out of the inner Solar System.
gas and dust expelled from the comet’s nucleus and blown outward by radiation pressure and the solar wind
gas and dust pulled off the comet by the Sun’s gravity
always points away from the Sun
Which of these objects that orbit the sun are nicknamed, “dirty snowballs”?
asteroids
comets
meteors
meteoroids
What are meteors made of?
chunks of rocks and minerals
butterfly wings
gas and dust
fish
Which of the following statement is false?
The largest asteroid in the asteroid belt is Ceres
Ceres and Vesta are both in the asteroid belt
The asteroid belt contains millions of asteroids
Pluto is in the asteroid belt
Where do Asteroids “hang out” in our solar system?
Asteroid belt
Kuiper belt
Oort cloud
Planetary rings
Which space object is larger?
asteroid
meteor
meteorite
meteoroid
When does a meteor shower occur?
when the tail of a comet enters the Earth atmosphere
when a meteoroid enters the Earth atmosphere
when there are fireworks in the sky
when an asteroid falls on the earth
Which object in space is NOT made of rock and metal?
Asteroid
Meteor
Meteorite
Comet
Select the 3 materials a comet is composed (made) of
Dust
Metal
Ice
Small rocky particles
Asteroids are found in a region called the
Kuiper Belt
Asteroid Belt
Oort Cloud
Earth's surface
The asteroid belt is located between which 2 planets?
Mercury and Venus
Jupiter and Saturn
Uranus and Neptune
Mars and Jupiter
Which object in space is larger?
Asteroid
Meteoroid
Which object in space has a long, narrow orbit around the sun. We never see this object except once every 76 years!
Asteroid
Comet
Meteor
Meteorite
A comet forms a tail when
It is deep in outer space and begins to melt
It gets close to the sun and begins to melt
What do asteroids, comets and meteors all have in common?
They are all made of rock/iron
They are all made of ice and dust
They all orbit the sun
They are all found in the asteroid belt
Where do comets form/come from?
Kuiper Belt and Oort Cloud
Asteroid Belt
Earth's atmosphere
Earth's surface
Ceres is the largest asteroid located in the asteroid belt. It is nearly 587 miles wide and is between the orbits of ________________
the sun and Earth
Mars and Jupiter
Saturn and Neptune
Jupiter and Uranus
Which object in space looks like a "dirty snowball" because of its composition of ice, gas and dust?
Asteroid
Meteoroid
Comet
Meteor
A small rock orbiting the sun in space. This object is a small broken off piece of a larger asteroid
Meteoroid
Meteor
Meteorite
A _____________ bursts through Earth's atmosphere at amazingly fast speeds and appears as a "shooting star"
Meteorite
Meteor
Meteoroid
A meteor that does not burn up in Earth's atmosphere and strikes Earth's surface forming a crater on Earth!
Meteorite
Meteoroid
Meteor
Planets, asteroids, comets and meteoroids all stay in orbit around the sun due to the sun's strong force of _________________
electricity
solar power
gravity
motion
What does magnitude tell about a comet?
size
brightness
shape of orbit
color
What is a comet made of?
ice
rock and metal
gas
ice, rock, dust, and gases
What is another name you could call a comet?
fire rock
dusty ball
dirty snowball
rocky ball
What does eccentricity tell about a comet?
shape of orbit
size
color
brightness
Comets are named after
astronauts
the person who discovers them
teachers
presidents
Sublimation is
a gas changing to a liquid
a solid melting to a liquid
a liquid changing to a gas
going directly from a solid to a gas
Short period comets takes less than ______years to orbit the sun.
200
100
300
400
The fuzzy halo around a comet's nucleus is called the
coma
cloud
tail
magnitude
If a comet's eccentricity is 0.799, it's orbit would have a ____________ shape.
elliptical
circular
square
irregular
If a comet's eccentricity is 0.234, it's orbit would have a __________ shape.
elliptical
circular
square
irregular
Which magnitude number is brightest?
2.4
9.5
-3.9
0.2
All comets have tails when they are near the sun.
True
False
The frozen center of a comet is called the
coma
tail
nucleus
snowball
A comet's tail always
is pushed away from the sun by solar wind
points toward the sun
disappears near the sun
gets smaller near the sun
