Tides

Which of the following did the tide spinner in class demonstrate most effectively?

• high & low tides
• spring tides
• neap tides
• the revolution of Earth around the sun

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

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

A neap tide is a tide with the greatest difference between low and high tides

• true
• false

Neap tides occur once a month. 

• True
• False

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

What causes tides?

• gravity
• wind
• spring
• neap