Term
|
Definition
the spinning motion of a plant on its axis |
|
|
Term
|
Definition
the movement of an object around another object |
|
|
Term
give two reasons the earth has seasons |
|
Definition
tilt of the axis(23.5)
revolution |
|
|
Term
|
Definition
a ray of sun that is vertical and shineing directly on you |
|
|
Term
what is an indirect sun ray |
|
Definition
when the light is more horisontal (this cast a longer shadow) |
|
|
Term
why does the earth have direct and indirect sun |
|
Definition
because of the tilt (axis) of the earth |
|
|
Term
when does north america have direct sun |
|
Definition
never, but the most direct sun is in the summer |
|
|
Term
when does north america have indirect sun rays? |
|
Definition
|
|
Term
how would the axis be tilted when we have short days?
what season would this be? |
|
Definition
|
|
Term
how would the earth be tilted when we have longer days |
|
Definition
|
|
Term
what season do we have longer days? |
|
Definition
|
|
Term
|
Definition
a path that the sun follows in the sky |
|
|
Term
what would the solar path be like in the summer, winter, spring, and fall? |
|
Definition
summer- N.E. to N.W.
winter-S.E. to S.W.
spring to fall- E. to W. |
|
|
Term
|
Definition
|
|
Term
|
Definition
the day when to sun reaches its highest and lowest point in the sky |
|
|
Term
what two forces keep the planets in orbit around the sun? |
|
Definition
|
|
Term
|
Definition
the attractive forces between two things |
|
|
Term
the strength of gravity depends upon what? |
|
Definition
|
|
Term
|
Definition
an objects tendancy to restit change |
|
|
Term
when is the sun the highest in the sky in north america |
|
Definition
|
|
Term
when is the sun the lowest in the sky in north america? |
|
Definition
|
|
Term
|
Definition
|
|
Term
how many days are in a year |
|
Definition
|
|