Understanding Tides

The three main factors that cause tides are (a)   , the Sun, and Earth's rotation.

• Gravitational force of the Moon, th
• Wind, Moon, and Sun
• Volcanoes, Moon, and Earth's rotati
• Earthquakes, Moon, and Sun

Why does the Moon have a stronger effect on Earth's tides than the Sun?

• The Moon is larger than the Sun

• The Moon is closer to Earth than the Sun

• The Moon is made of a different material

• The Moon rotates faster than the Sun

What happens to the oceans on the side of Earth facing the Moon?

• They evaporate

• They become calm

• They bulge outward

• They freeze

What causes high tide?

• The bulge of ocean water due to the Moon's gravitational pull

• The rotation of the Sun

• The movement of tectonic plates

• The Earth's atmosphere

Match the following descriptions with the number of high and low tides experienced each day.

• Extremely rare tidal pattern

• Four high tides and four low tides

• Most common tidal pattern

• One high tide and one low tide

• Uncommon tidal pattern

• Two high tides and two low tides

• Rare tidal pattern

• Three high tides and three low tides

What is the term for the maximum tidal range when the Sun, Moon, and Earth are aligned?

• Neap tide

• Flood tide

• Spring tide

• Ebb tide

Spring tides occur during (a)   and full moon phases.

• Waxing gibbous and waning gibbous
• First quarter and third quarter
• Waxing crescent and waning crescent
• New moon and full moon

What happens to the tidal range during neap tides?

• It becomes unpredictable

• It reaches its maximum

• It stays the same

• It reaches its minimum