Lesson 1-3

Tides are caused by what force from the sun and moon?

• gravitational

• strong

• tidal force

• armed forces

As the moon revolves around the earth, the water follows the motion and causes...

• sea levels

• waves and currents

• moon phases

• high tides and low tides

Spring tides have the largest tidal ranges because...

• the earth, moon, and sun are aligned for greater gravitational force.

• the moon has the strongest gravitational force.

• the sun has the most gravitational force.

• none of the above

During neap tides, the gravitational effects of the sun and moon ______________ together.

• do not add

• are added

• increase

• don't change

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 moon ____________ around the Earth.

• revoloves
• rotates
• up
• down