Earth and Moon and Sun

_____ are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.

• Eclipses

• Waves

• Tides

• Currents

Daily tides that occur approximately 6 hours apart causing a change in water level on the coastlines are called ______.

• high and low tides

• spring and neap tides

• upwelling and rip tide

• longshore drift and rip current

Monthly tides that occur twice a month when the Sun, moon, and Earth are positions in a straight line are called _____.

• low tides

• spring tides

• neap tides

• high tides

During which two moon phases do Spring tides occur each month?

• Full, New

• Full, 1st quarter

• New, 3rd quarter

• 1st quarter, 3rd quarter

During which two moon phases do Neap tides occur each month?

• 1st quarter and New moon

• 3rd quarter and Full moon

• 1st and 3rd quarter moons

• Full and New moons

Both pictures, LEFT and RIGHT are of the same area on a coastline. Which picture indicates low tide?

• LEFT

• RIGHT

The biggest difference between high and low tides occur at _____ tides. This occurs because the gravitational pull is stronger. 🌚 🌎 🌝 🌞

• High

• Low

• Neap

• Spring

The least difference between high and low tides occur at ______ tides. This occurs because the gravitational pull is weaker.

• Low

• High

• Neap

• Spring

Which tide occurs when the Earth, Sun and moon are aligned as shown in the illustration above?

• Riptide

• Neap

• Neap Spring

• Spring

Which tide occurs when the Earth, Sun and moon are aligned as shown in the illustration above?

• Riptide

• Neap

• Neap Spring

• Spring