What causes the tides?
The gravitational pull of the moon and the sun on the Earth’s oceans is what causes tides.
Ocean Tides: Spring and Neap Tides
How Do Tides Work?
Contents
MCQs
1. How many high tides does a typical coastal location experience each day?
A) One
B) Two
C) Three
D) Four
2. What type of tide occurs when the sun and moon are aligned with the earth?
A) Neap tide
B) Spring tide
C) Ebb tide
D) Rip tide
3. Which tide is characterized by the lowest difference between high and low tide?
A) Neap tide
B) Spring tide
C) Ebb tide
D) Rip tide
4. What phase of the moon is associated with neap tides?
A) New Moon
B) Full Moon
C) First Quarter
D) Both B and C
5. The vertical difference between the high tide and the low tide is called what?
A) Tidal range
B) Tidal force
C) Tidal resonance
D) Tidal power
6. Which has a stronger effect on the tides?
A) The Moon
B) The Sun
C) The Earth’s rotation
D) Wind
7. What are the high tides influenced by?
A) The Moon being directly overhead or on the opposite side of the Earth
B) The Moon being new or full
C) The Moon being in its quarter phase
D) The position of the stars
8. What is the term used to describe when the Sun, Moon, and Earth are in a straight line?
A) Neap tide
B) Spring tide
C) Quarter tide
D) Crescent tide
9. What causes neap tides?
A) The Earth rotating faster
B) The Moon being at its closest to Earth
C) The Sun and Moon being at right angles to each other
D) The Sun moving closer to the Earth
10. Which has a greater impact on tides, the moon or the sun?
A. The moon
B. The sun
C. They have equal impact
D. Neither
11. What creates the rise of water in the Earth’s oceans?
A. Earth’s rotation
B. The sun’s gravitational pull
C. The moon’s gravitational pull
D. Earth’s magnetic field
12. Which areas experience high tides?
A. Areas directly under the moon
B. Areas directly under the sun
C. Areas in between the bulges
D. Areas farthest from the moon
13. What do the areas in between the bulges of water experience?
A. High tides
B. Low tides
C. No tides
D. Tidal waves
Fill In The Blanks
Choose From These Words: tides, moon, sun, high, low, high
1. Tides are caused by the gravitational pull of the ______ and the ____ on the Earth’s water.
2. When the moon is closest to a specific area on Earth, it creates a ______ tide in that area.
3. When the moon is on the opposite side of the Earth, it creates a ______ tide.
4. The sun’s gravitational pull also contributes to creating ____ on Earth.
5. The gravitational force from the moon and the sun creates a bulge of water on the side of the Earth closest to the moon, causing ______ tide.
True/False Questions:
1. Tides are caused by the gravitational pull of the moon and the sun on Earth’s oceans. (True/False)
2. Tides only happen once a day. (True/False)
3. The gravitational pull of the sun is stronger than that of the moon on Earth’s oceans. (True/False)
4. High tides occur on the side of the Earth facing the moon. (True/False)
5. Low tides occur between high tides. (True/False)
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