Tides

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

• high
• neap
• low
• spring

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

• spring
• high
• low
• neap

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

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

• Sun
• Saturn
• Moon 
• Venus

Wha 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

Tides are caused by

• strong winds that blow over ocean waters.
• the interaction of Earth, the moon and the sun.
• the shifting of the plates on the ocean floor.
• variations in the salinity of ocean water

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

You visited the beach at 12 pm (noon) and it is high tide. If you return 6 hours later what tide will you see? 

• high 
• low 
• none
• spring