Tides

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

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

Which Statement best describes a spring tide?

• Spring tides occur when the earth and sun are IN LINE with the new or full moon.

• Spring tides occur when moon in 3rd or 1st quarter phases

• Spring tides are LOWER than neap tides

• Spring tides occur in Spring and neap tides can occur in any season

What do we call tides that have a smaller range that happen when the sun and moon are at right angles to each other?

• Neap Tide
• Spring Tide
• Larger Change
• Smaller Change

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

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

What causes tides?

• gravity
• wind
• spring
• neap

If tides alternate from high to low and there are two of each type of tide a day, about how many hours will generally be between each different tide?

• 2 hours
• 6 hours
• 12 hours
• 24 hours

Maureen measured the water level of the ocean at high tide and at low tide every day near her home in Florida. The table below shows her results. On which day did a spring tide most likely take place?

• June 3
• June 6
• June 9
• June 11

The diagram below shows the alignment of the sun, the moon, and Earth. In which locations are neap tides taking place?

• 1 and 2
• 1 and 3
• 2 and 4
• 3 and 4