Tides

_______are daily changes in ocean water.

• Waters

• Tides

• Colors

• Earths

Tides are caused by the difference in the gravitational force of the ________ and ________ across the ________.

• earth, sun, moon

• sun, mars, jupiter

• sun, moon, earth

• tide, water, sun

High tides and low tides each happen _____ times per day.

• 4

• 2

• 1

• 24

Neap tides happen at _________ and _________ phases of the moon.

• first quarter and new moon

• last quarter and full moon

• waxing and waning

• 1st quarter and 3rd quarter

Which of the following greatly contribute to high tides?

• earth's gravitational pull on moon

• sun's gravitational pull on moon

• sun's gravitational pull on earth

• moon's gravitational pull on earth

During a neap tide, the sun, moon, and earth are at a ___________ angle.

• 360 degree

• 23.5 degree

• 45 degree

• 90 degree

What type of tide is evident when the moon is in the full moon phase?

• high tide

• low tide

• spring tide

• neap tide

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

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

What is a difference between spring and neap tides?

• Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
• Spring tides occur when moon in 3rd or 1st quarter phases
• Spring tides are LOWER than neap tides
• Spring tides occur in Spring and neap tides can occur in any season

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

• Sun
• Saturn
• Moon 
• Venus