Lesson 5 - Tides

A ___ tide occurs when the sun is at right angles to te line between Earth and the moon.

neap

Differences in the moon's and sun's pull on different sides of the Earth cause ___.

tides

A ___ tide occurs when the sun, Earth, and the moon are nearly in a line.

spring

___ pulls oll objects in the universe, including the moon and Earth and the sun and Earth, toward each other.

gravity

The bulge of water on the side of Earth closest to the moon produces ___.

high tide

Tides are the cycle of rising and falling ocean water that repeats approximately ___.

every 12.5 hours

Water flows toward the high tides, halfway between them causing ___.

low tides

A spring tide can occur ___

in any month of the year

A neap tide has the ____difference between consecutive low and high tides.

least

Neap tides occur ___ a month.

twice

Spring tides are produced during a new moon and ___ moon.

full

The sun's gravity affects the tides, even though its about 150 million ___ from Earth.

kilometers

Changes in the positions of Earth, the moon, and the sun affect the ___ of high tides during a month.

heights

Tides are caused ___ by differences in how much gravity from the moon and the sun pulls on different parts of Earth.

mainly

A tide with the least distance between low and high tides is called a(n) ____________________ tide.

neap

A tide with the greatest distance between low and high tides is called a(n) ____________________ tide.

spring