Currents, Waves, Tides, and Ocean Zones

A[n] ______________ tide occurs when the sun is at right angles to the line between Earth and the moon. 

• high
• neap
• low
• spring

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

• gravity
• lunar phases
• tides
• dabbing

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

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

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

• True
• False

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

• True
• False

Which body has the greater effect on Earth's tides?

• Sun
• Saturn
• Moon 
• Venus

What type of tide would this arrangement of earth-moon-sun create?

• full moon tide

• new moon tide

• neap tide

• spring tide

What type of tides would this arrangement of earth-moon-sun create?

• neap tide
• spring tide
• new moon tide
• full moon tide

What causes tides?

• gravity
• wind
• spring
• neap

How many low tides and high tides happen in a day?

• 1 low tide, 1 high tide
• 4 low tides, 4 high tides
• 3 low tides, 3 high tides
• 2 low tides, 2 high tides