Tides

How many times do tides rise and fall each day?

• Once

• Twice

• Three times

• Four times

What is the primary cause of tides on Earth?

• The Sun

• Wind

• The Moon

• Earth's rotation

What force keeps the planets in orbit around the sun?

• Magnetic force

• Gravity

• Electrical force

• Centrifugal force

What is the effect of the moon's gravity on Earth's water?

• It freezes the water

• It creates tidal bulges

• It has no effect

• It causes earthquakes

Why does the moon's gravity cause water to bulge towards it?

• Because of the tidal force

• Due to atmospheric pressure

• Due to Earth's rotation

• Because of the sun's gravity

How many high tides occur each day?

• Three

• Four

• Two

• One

What happens to high tides as Earth's climate warms?

• They become unpredictable

• They become higher

• They stay the same

• They become lower

What is high-tide flooding associated with?

• Tides 2 feet below average

• Tides 2 feet above average

• Low tides

• Normal high tides

Which satellites help study high-tide floods?

• International Space Station

• GPS satellites

• NOAA's GOES-R series

• Hubble Space Telescope

What can coastal communities do with information about rising tides?

• Study marine life

• Enhance tourist attractions

• Ignore it

• Plan for future effects