solar system Flashcards
1
Q
define the heliocentric model
A
when the sun is in the middle
2
Q
define the geocentric model
A
when the earth is in the middle
3
Q
name 2 theories about the origin of the universe
A
big bang and steady state
4
Q
how long does it take earth to rotate once
A
24 hours
5
Q
how long does it take earth to do one revolution
A
365 days
6
Q
name all the atmospheres
A
troposphere, stratosphere, mesosphere, thermosphere, exosphere
7
Q
how are seasons created
A
the tilt of earth when revolving around the sun
8
Q
what causes tides
A
the gravitation pull from the moon
9
Q
how is a high tide created
A
gravitational pull from moon
10
Q
how is a lunar eclipse created
A
earth is in between sun and moon
11
Q
how is a solar eclipse created
A
moon is between earth and sun
