Tides and Eclipses

What type of relationship exists between tides and time?

cyclic

Two possible moon phases during a neap tide are

first and third quarter

Main cause of tides

gravity from moon

When the sun, moon, and earth are aligned, the sun and moon work together to ___ the tidal effect

increase

Neap tides are caused primarily by gravity from the

moon

tidal bulge

part of the ocean being pulled by the moon

High tides are higher and low tides are lower during a

spring tide

When the sun, moon, and earth are aligned, it is called a ____

spring tide

A higher than usual tide is called a

Spring tide

the sun has about __ the effect on tides then the moon

1/2

What force causes tides?

Gravity

Two possible moon phases during a spring tide are

new and full

How many high tides are there per day?

2

the sun-earth-moon line is ___ degrees during a neap tide

90

Tide

Daily rise and fall of sea level

The moon has a greater effect on earth's ocean tides because

Moon has a greater mass than the sun

What celestial objects cause the tides?

The moon and sun