Tides Review 6.9B

One rotation of Earth is equal to

• a day.
• a year.

What is the tide that occurs during a full moon and a new moon.

• spring tide

• low tide

• high tide

• neap tide

Why do globes lean sideways?

• To allow them to spin easier.
• To demonstrate the tilt of Earth's axis.
• To demonstrate the effects of gravity.
• To demonstrate day and night.

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

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

• Sun
• Saturn
• Moon 
• Venus

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

What is the rise and fall of the level of the water in the ocean?

• tides

• waves

• tsunamis

• hurricanes

The _____ _____ is the difference between the levels of ocean water at high tides and low tides. That range depends on the sun-Earth-moon;s position.

• ocean waves

• mountain level

• sea level

• tidal range

The moon is mainly responsible for the tides on Earth because it is _________ _________.

• much closer

• far away

• behind the sun