Tides

Tides are caused mainly by what?

• Moon’s gravitational pull
• Sun’s gravitational pull
• Earth’s gravitational pull

How long does it take to go from high tide to low tide?

• 6 hours 12 minutes

• 12 hours 24 minutes

• 15 hours

What type of tide occurs during a new and full moon?

• Neap tides
• Spring tides
• Normal tides

What type of tide occurs during the first or third quarter moon?

• Neap tides
• Spring tides
• Normal tides

If the Sun, Earth, and Moon are in perfect alignment, the Earth would have a _______ tide.

• Spring
• Neap
• Normal

If the Sun, Earth, and Moon create a 90 degree angle, the Earth would have __________.

• Spring tides
• Neap tides
• Normal tides

If the first high tide of the day was at 2:15am, when would the next one occur?

• 8:27am

• 12.15pm

• 2:39pm

The bulge of water on the side of the Earth closest to the moon produces ___________.

• high tide
• low tide
• neap tide
• spring tide

Which body has the greater effect on Earth's tides?

• Sun
• Saturn
• Moon 
• Venus

What do we call a tide that has a large range?

• gravity
• wind
• spring
• neap