a large cloud of gas and dust in space, spread out in an immense volume.
a. tides
b. nebula
c. comet
d. terrestrial planet
What is b. nebula
100
The name often given to the four inner planets: Mercury, Venus, Earth, and Mars.
a. Oort Cloud
b. heliocentric
c. terrestrial planets
d. nebula
What is c. terrestrial planets
100
In a heliocentric system, the planets and stars revolve around the _______________.
a. sun
b. moon
c. earth
What is a. sun
100
Meteroids usually come from…
a. debris from other planets
b. the solar wind
c. comets or asteroids
What is c. comets or asteroids
100
Earth is thought to be at the center of the solar system in the geocentric model.
What is TRUE
200
One of the different apparent shapes of the moon as seen from Earth.
a. Kuiper Belt
b. Moon phases
c. satellites
d. tides
What is b. moon phases
200
The name often given to the first four outer planets: Jupiter, Saturn, Uranus, and Neptune.
a. gaseous planets (gas giants)
b. oort cloud
c. heliocentric
d. nebula
What is a. gaseous planets (gas giants)
200
What do all the inner planets have in common?
a. they all have rings
b. they all have many moons
c. they are all small and have rocky surfaces
What is c. they are all small and have rocky surfaces
200
When a meteoroid enters Earth’s atmosphere, it produces a streak of light called a(n)…
a. meteor
b. asteroid
c. comet
What is a. meteor
200
The gas giants are small, dense, and have rocky surfaces.
What is FALSE. INNER PLANETS
300
the daily rise and fall of Earth's waters on its coastlines due mainly to the moon's gravity
a. tides
b. heliocentric
c. satellites
d. eclipse
What is a. tides
300
An object that revolves around another object in space.
a. eclipse
b. nebula
c. satellite
d. asteroid
What is c. satellite
300
What do the first four outer planets have in common?
a. They are much larger than Earth and are made mainly of hydrogen and helium
b. They are about the same size as Earth and are mainly made of hydrogen and helium.
c. They are about the same size as Earth and are made mainly of iron.
What is a. They are much larger than Earth and are made mainly of hydrogen and helium
300
Copernicus explained that
a. the sun is at the center of the system of planets
b. the Earth is at the center of the system of planets
c. the moon is at the center of the system of planets
What is a. the sun is at the center of the system of planets
300
Most comets are found in either the Oort Cloud or the asteroid belt.
What is FALSE. Not asteroid belt, Kuiper Belt
400
Rocky objects revolving around the sun that are too small and numerous to be considered planets.
a. comet
b. tides
c. moon phases
d. asteroid
What is d. asteroid
400
a ball of ice and dust that orbits the sun
a. eclipse
b. comet
c. gaseous planet
d. nebula
What is b. comet
400
The asteroid belt is located between…
a. between Earth and Mars
b. between Mars and Jupiter
c. between Saturn and Uranus
What is b. between Mars and Jupiter
400
The ___________________________________ consists of the sun, nine planets and their moons, and several kinds of smaller objects.
What is the SOLAR SYSTEM?
400
A comet or asteroid can break up to form a chunk of rock called a meteoroid
What is TRUE
500
a doughnut-shaped region that stretches from around Pluto's orbit to about 100 times Earth's distance from the sun.
a. Kuiper Belt
b. satellite
c. comet
d. nebula
What is a. Kuiper Belt
500
a spherical region of comets that surrounds the solar system
a. eclipse
b. nebula
c. heliocentric
d. oort cloud
What is d. oort cloud
500
The atmospheres of gas giant planets cannot escape into space because…
a. the gases solidify at higher elevations
b. the planets have very strong gravitational pulls
c. although they are big, the planets have little mass
What is b. the planets have very strong gravitational pulls
500
A meteroid that hits the earth's surface is called a
a. meteor
b. meteorite
c. comet
What is b. meteorite
500
The dark areas of gas on the sun’s surface that are cooler than the gases around them are called prominences.