Tides Explained Review

What are tides?

• A. Big ocean waves caused by wind

• B. The regular rise and fall of ocean water

• C. Ocean currents caused by sunlight

• 
  D. Water pulled in by hurricanes

How many high and low tides happen in most places each day?

• A. One of each

• B. Two of each

• C. One high, three low

• D. Four high, one low

What causes tides to happen?

• A. Earth’s rotation only

• B. Moon’s gravity, the Sun's gravitational pull and Earth’s gravity working together

• C. The wind blowing over the ocean

• 
  D. Heat from the Sun

What does the Moon’s gravity pull more strongly on?

• A. The land

• B. The Earth's center

• C. The ocean water closest to it

• D. The clouds

Why does the ocean bulge out on the side farthest from the Moon too?
(Short answer 1 sentence)

What do these bulges of water represent?

• A. Earthquakes

• B. High tides

• C. Storm surges

• D. Tsunamis

How does Earth’s rotation affect the tides?

• A. It causes water to freeze

• B. It keeps tides in the same place all day

• C. It makes the high tides appear to move around the Earth

• D. It creates new moons

How many high tides does a place usually get in 24 hours?

• One

• Two

• Four

• Depends on the weather

What are spring tides?

• A. Tides that happen during the spring season

• B. Very weak tides that happen randomly

• C. Tides with the BIGGEST difference between high and low water.

• D. Tides that only happen at night

What's a fancy word for "pulling" an object towards another?

• Gravitational Pull

• Pushing power

• Grabbing force

• Kicking power