Tid
1.
а.
Where do the meteoroids originate?
from the outer layer of the earth
b. from the other planets
from the outer space
d from the moon
C.
הלן
IN
2.
A meteoroid catches fire when
a
it hits the earth.
b. it falls to the ground
с.
it collides with a spacecraft
d. it comes into the air near the earth
3.
5
.
.
When is a meteoroid dangerous ?
a. when it falls to earth and burns down houses
b. when it makes holes in a spacecraft
c. when it hits the airplanes
d. when it catches fire
The rocks from outer space are studied to find out
a. the time that they fall on earth
b. how these rocks could be used
C how to avoid their fall on earth
d. how to keep them from making holes in spacecraft
What is true of meteoroids, meteorites, and meteors?
a. They are all small.
b. They are all rocks.
c. They all fall to the earth.
d. They all turn into balls of fire.
When one sees a flash of light in space, he may exclaim
a. "That's a meteor."
b. "There's a meteorite."
C. "That's a meteoroid."
d. "A meteoroid hit a spacecraft."
6.​