Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
lunar cycle |
the cycle of the moon as it revolves around the earth it appears that different in the sky |
|
new moon |
we cannot see the moon |
|
first quarter |
a portion of the right side of the moon |
|
full moon |
when he moon is complete in the sky |
|
third quarter |
a portion in the left of the moon |
|
tides |
rise and fall of the ocean water levels along the coast follow a predictable pattern |
|
earth |
our planet has a atmosphere, oceans ,fresh water, weather, life mountains,hills,valleys |
|
sun |
a big ball of gas, it has a sunspot, it has an enormous mass=gravity is the center of our solar sistem |
|
moon |
it orbits the earth,no water ,no life,nor atmosphere or oxygen. |