WorksheetsObjects in Space Test Review
Total questions: 29
Worksheet time: 18mins
Most asteroids are located between the orbits of which two planets? (8.E.4B.1)
Jupiter and Saturn
Earth and Mars
Mercury and Earth
Mars and Jupiter
Small pieces of rock that enter Earth's atmosphere at speeds of 15 to 70 km/s and burn up due to friction forces. (8.E.4B.1)
meteors
stars
meteorites
meteoroids
Which statement is true about the outer planets? (8.E.4B.1)
They are much larger than Earth, made mostly of gas, and have few/no moons.
They are much larger than Earth, made mostly of rock, and have many moons.
They are much larger than Earth, made mostly of gas, and have many moons.
They are much smaller than Earth, made mostly of gas, and have few/no moons.
Which planet does the sun have the strongest gravitational pull on? (8.E.4B.2)
Venus
Mercury
Earth
Mars
Two of the inner planets are: (8.E.4B.1)
Earth and Pluto
Venus and Saturn
Mercury and Jupiter
Mars and Venus
Which of the following lists Earth, the Moon, Jupiter, and the Sun in order from largest to smallest? (8.E.4B.1)
Moon, Earth, Jupiter, Sun
Moon, Sun, Earth, Jupiter
Sun, Earth, Moon, Jupiter
Sun, Jupiter, Earth, Moon
Large chunks of rock called __________ orbit the sun and are contained in a "belt" that separates the inner and outer planets. (8.E.4B.1)
meteoroids
asteroids
meteors
meteorites
The tail of a comet _________. (8.E.4B.1)
gets longer the more trips it makes through the solar system
always points away from the Sun due to solar winds
vaporizes in the cold outer edges of the solar system
always points towards Earth due to gravitational pull
Which of the following is not a type of galaxy?
swirly
irregular
spiral
elliptical
Astronomers noticed that light from stars and galaxies was stretched out and shifted to the _____ end of the visible light spectrum. This proves that the universe is still expanding. (8.E.4A.2)
green
blue
red
orange
The force that tends to pull together the matter in all objects is __________. (8.E.4B.2)
gravity
dark matter
nuclear fusion
friction
Which characteristic do all inner planets have? (8.E.4B.1)
they are all smaller than Pluto
they are all solid and rocky
they all have moons
they are all gaseous
Meteoroids usually come from ____________. (8.E.4B.1)
broken up comets and asteroids
broken up meteorites
broken up planets
broken up moons
Which list gives the correct order of the outer planets, starting with the planet closest to the sun? (8.E.4B.1)
Jupiter, Saturn, Uranus, Neptune
Jupiter, Saturn, Neptune, Uranus
Saturn, Jupiter, Uranus, Neptune
Saturn, Jupiter, Neptune, Uranus
Two planets with similar mass and size known as "twins" are __________ & _________. (8.E.4B.1)
Saturn and Uranus
Mercury and Jupiter
Earth and Venus
Earth and Pluto
A camper looks into the night sky and sees a "shooting star". What is the source of the light from this "shooting star"? (8.E.4B.1)
reflected light from the sun
reflected light from the moon
glowing gases in the atmosphere
a rock burning up in the atmosphere
Scientists measure the distance between stars and galaxies in _____________, which is the distance light can travel in one year - 9.8 trillion miles. (8.E.4A.1)
cosmic miles
light years
kilometers
speed of light
Objects in our solar system like the Sun and Jupiter have a greater gravitational pull because they ______________. (8.E.4B.2)
have gases, not rock
have more volume
have more mass
have more density
____________ are pieces of rock that DO NOT burn completely as they travel through Earth's atmosphere and strike the surface of a planet causing a crater to form. (8.E.4B.1)
asteroids
meteorites
meteoroids
meteors
The force of gravity between two objects depends on _______________. (8.E.4B.2)
the distance between the two objects
the mass of the two objects
the distance of the two objects from the sun
the distance between and the mass of the two objects
Aside from Earth, which inner planet is believed to have once HAD liquid water on its surface? (8.E.4B.1)
Mercury
Mars
Venus
the moon
Which statement about moons is NOT true? (8.E.4B.1)
moons revolve around planets
all planets have at least 1 moon
moons have less gravity than planets
moons have craters on their surface
Astronomers believe that there are about 100,000 comets that travel throughout the solar system. Comets are chunks of ice, dust, and gas that orbit a star. Which of the following can be observed from Earth as a comet travels closer to the sun? (8.E.4B.1)
they explode
they develop a tail
they begin to slow down
they freeze
Which best describes the long, narrow orbits of comets around the sun? (8.E.4B.1)
circular
spherical
elliptical
rectangular
Our solar system contains the Sun, smaller objects such as comets and asteroids, and _____________. (8.E.4B.1)
six planets and many moons
nine planets and nine moons
8 planets, 3 dwarf planets, and many moons
more than 100 planets
Why do scientists monitor the positions of objects in space? (8.E.4B.1)
to predict possible collisions with Earth
to try to change the orbit of earth
to predict possible explosions with stars
to set the clocks back an hour every Fall
Scientists believe that the Earth's moon was created after a large object hit the Earth early in the formation of the solar system. What force keeps the moon in orbit around Earth? (8.E.4B.2)
solar power
gravity
friction
magic
The Milky Way galaxy is an example of a _________ galaxy. (8.E.4A.1)
spiral
elliptical
swirly
irregular
The ____________ Theory states that the universe began with a period of extreme rapid expansion. (8.E.4A.2)
Evolution
Gravity
Relativity
Big Bang
