Eclipses and Tides

Which areas are experiencing high tides?

• 1 and 5
• 2 and 6
• 3 and 7
• 4 and 8

Which areas are experiencing low tides?

• 1 and 5
• 2 and 6
• 3 and 7
• 4 and 8

Which moon phases make the tides highest?

• full and new moons
• first and third quarter moons
• crescent moons
• waxing and waning gibbous moons

What is the main factor that causes tides?

• Earth's rotation on its axis.
• The gravitational pull between land and water.
• Earth's revolution around the sun.
• The gravitational pull between the moon and earth.

What occurs when the Earth casts a shadow on the Moon?

• lunar eclipse
• solar eclipse
• new moon
• neap tide

Eclipses are created when the shadow of one celestial body falls on another celestial body. When might an eclipse occur?

• When the sun is between the Earth and Moon.
• Only during a full moon.
• Every time there is a high tide.
• When the moon is between the Earth and Sun.

About how many days are there between a Spring Tide and a Neap Tide?

• 1 day
• 7 days
• 14 days
• 21 days

About how many days are there from one Spring Tide to the next Spring Tide?

• 1 day
• 7 days
• 14 days
• 21 days

How often does a high tide occur at a specific location?

• Once a day.
• Twice a day.
• Once a month.
• Twice a month.

What event is being depicted in the diagram?

• A new moon.
• A neap tide.
• A lunar eclipse.
• A solar eclipse.