Shared Flashcard Set

Details

Study Guide: Earth/Moon
study guide
13
Science
8th Grade
02/15/2012

Additional Science Flashcards

 


 

Cards

Term
Day and night are caused by what?
Definition
The rotation of Earth on its axis
Term
[image]what is this???
Definition
lunar eclipse
Term
Why do people on Earth always see the same side of the moon?
Definition
because the moon rotation time is the same as its revolution time
Term
true or false: a solar eclipse is when the moon is between the sun and the moon? 
Definition
true
Term
what is the penumbra?
Definition
the non-dark portionof a shadow it partially cast on an object
Term
what is the umbra???
Definition
It is the innermost & darkest part of the shadow, where the light source is completely blocked by the occluding body.
Term
What is this called?[image]
Definition
Solar eclipse
Term
what moon phase do spring and neap tides occur?
Definition

Neap tides occur during the 1st and 3rd quarter moons.

Spring tides occur during the new and full moon.

Term
what is the position of Earth during each season in the Northern Hemisphere?
Definition

Winter:facing away from the sun

Spring:facing niether toward or awayfrom the sun

Summer:facing toward the sun

Fall:facing niether toward or awayfrom the sun

Term

how long does it take for the Earth to

revolve around the Sun???????

Definition
364 1/4 days
Term
Scientists believe that the moon was formed by the........
Definition
Giant Impcat Theory
Term
what are the main four moon phases, in order?????
Definition
new moon;  first quarter;  full moon;  last quarter
Term
what is tidal range???
Definition
the difference between the high and low tide
Supporting users have an ad free experience!