What are tides?
AThe waves made by strong wind
BThe flow of water in a river
CThe rise and fall of sea level
DThe spray thrown up by rocks
Answer & Solution
Correct answer: C. The rise and fall of sea level
1. Tides are the repeated rise and fall of the level of the sea.
2. At low tide the water is far out and sand is exposed.
3. At high tide the water reaches much further up the beach.
4. Wind driven waves are a separate thing and are not tides.
_Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Tides_
Related questions
The Sun, the Moon and the Earth line up in a straight line. What kind of tides follow?A learner has a mass of 60 kilograms on Earth, where each kilogram weighs about 10 newtonsTwo objects are moved three times further apart. What happens to the gravitational force bWhat holds the Moon in its path around the Earth?