4.2 Tides Flashcards
1
Q
Define a tide
A
A tide is a change in the water level of a body of water
2
Q
what is it called when water levels are at there highest
A
High tide
3
Q
what is it called when water levels are at there lowest
A
Low tide
4
Q
Define a tide cycle
A
It is the rise and fall of water levels
5
Q
Define a semi-diurnal tide cycle
A
Most places experience two high tides and two low tides in a 24 hour cycle
6
Q
Define Diurnal tide
A
If there is only one high tide and one low tide in a 24 hour cycle
7
Q
what causes tides
A
Gravity(moons gravity)
8
Q
How does a high tide form
A
It is a result of the moon when the earth faces the sun , the side facing the moon has a stronge pull which causes a bulge of water on that side of the earth and the bulge is know as a high tide
9
Q
A
