8 questions
A meteor is dragged toward Earth by _____; it burns up due to ______ with the atmosphere
gravity; friction
friction; vaporization
gravity; vaporization
centrifugal force; friction
Meteorites are
meteors from Mars
meteors that strikes the Earth's surface
Asteroids captured by Earth's orbit
shooting stars
Meteors do not enter the Earth's atmosphere
True
False
Meteors glow brightly as they fall because when they hit the Earth's atmosphere, the friction cause the meteor to heat up.
True
False
Before reaching Earth, meteors are known as ____
meteorites
comets
protoplanets
meteoroids
A meteor shower is caused when Earth
passes near the moon's orbiting debris halo
travels through the Kuiper belt
travels through the near-Earth asteroid belt
passes through the remnants of a comet's tail
Which is more valuable to scientists?
Meteoroid
Meteorite
coma
Asteroid
A small rock in the space between planets that has not entered the atmosphere of Earth is called ___
a meteoroid
a meteorite
a comet
all of the above