Understanding Ocean Tides
A Grade 7 science worksheet exploring the causes and effects of ocean tides, including gravitational forces and tidal patterns.
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Understanding Ocean Tides
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Read each question carefully and answer to the best of your ability. Good luck!
1. What is the primary cause of ocean tides on Earth?
Wind blowing across the ocean surface
The gravitational pull of the Moon and Sun
Changes in atmospheric pressure
Earth's rotation on its axis
2. How many high tides and low tides typically occur in a 24-hour period in most locations?
One high tide and one low tide
Two high tides and two low tides
Three high tides and three low tides
Four high tides and four low tides
3. The difference in ocean level between high tide and low tide is called the tidal .
4. When the Sun, Moon, and Earth are aligned, it results in unusually high and low tides known as tides.
5. Neap tides occur when the Sun and Moon are at right angles to each other relative to Earth.
True
False
6. The Moon's gravitational pull has a stronger effect on Earth's tides than the Sun's.
True
False
7. Explain why there are two high tides and two low tides each day in most coastal areas.
8. Observe the image below showing low tide. Describe two observable characteristics of low tide based on the image.
