Oceanic Tides

Which description of change is most closely associated with ocean tides and moon phases?

• cyclic and predictable
• cyclic and unpredictable
• noncyclic and predictable
• noncyclic and unpredictable

The cyclic rise and fall of ocean tides on Earth is primarily caused by Earth's rotation and the...

• temperature differences in ocean currents
• revolution of Earth around the Sun
• direction of Earth's planetary winds
• gravitational attraction of the Moon and the Sun

Approximately how many hours will pass between high tide and the following low tide?

• 6 hours
• 12 hours
• 18 hours
• 24 hours

The Moon has a greater influence on Earth tides than the Sun because...

• it is smaller than the Sun
• it revolves around the Earth
• it is closer to the Earth

The Earth's Moon is

• always much closer to the Sun that it is to the Earth
• always much closer to the Earth than it is to the Sun
• about the same distance from the Sun as it is from the Earth
• sometimes closer to the Sun than it is to the Earth and sometimes closer to the Earth than it is to the Sun

During a neap tide, the position of the Sun, Moon, and Earth...

• form a 90 degree angle
• form a straight line

During a spring tide, the positions of the Sun, Moon, and Earth... 

• form a 90 degree angle
• form a straight line

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

• gravity
• lunar phases
• tides
• dabbing

A[n] ___________ tide occurs when the sun, Earth, and the moon are nearly in a line. 

• spring
• high
• low
• neap

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

• high tide
• low tide
• neap tide
• spring tide