Font size
Worksheets5a943b2e3c1
Total questions: 20
Worksheet time: 10mins
What is a wave?
Distance which wind blows against a body of water
Water that moves forward to get onto the shore
Movement of energy through a body of water
Water that ends up in the same spot it started
What are tsunamis?
A wave
An earthquake beneath the ocean floor that causes a large wave to form
The moon rotating around the world to cause a large wave to form
What are sand dunes?
A natural landform that protects shorelines
A wall of rocks/concrete going outward towards the beach
Beach shaped by waves through erosion
Hills of windblown sand
What is water motion?
White capped waves that crash onto shore
Water particles that move in a circular path
The lowest part of a wave
The energy of a wave
What is longshore drift?
The direction of incoming waves
Water that washes up the beach at an angle, carrying sand grains
A rush of water that flows rapidly back to sea through a narrow opening
How are tides made?
becasue the people drink up the water
the pull of the moons gravity
the pull of gravity on the earth
How long does it take for a tide to occur?
10 hours and 60 mins
12 hours and 25 mins
25 hours
7 hours and 30 mins
What occurs first, a spring tide, or a neap tide?
Spring tide first, neap tide second
Neap tide first, spring tide second
How is water made in to power?
the fast water just gives us energy
they just have power in them
the fast motion through the turbines makes power
the fast motion through the wind makes power
What is the main cause of tides?
the sun
gravity on the earth
the moon
gravity from the earth,sun,and moon
What percent of the world is fresh water?
3%
5%
2%
the amount of fresh water is 97%
How low does the temperature have to be for water to freeze?
-2.3 C
1 C
-1.9 C
-4.4 C
Where is oxygen most plentiful in the sea water?
At the surface of the ocean
At the bottom of the ocean
Near the middle of the ocean
What temperature does the surface of an ocean often reach?
5 degrees celcius
10 degrees celcius
15 degrees celcius
25 degrees celcius
Does pressure increase when nearing the bottom of the ocean or the surface?
Bottom of the ocean
Surface of the ocean
How do surface currents affect the water?
It affects the depths
It affects the fish
It affects the wind drift
What affects does the golf stream and north atlantic drift have on the ocean and places near it?
Takes the tropic to the poles
It helps fishermen because theres not much snow
It makes it cold and hotter for people to live in
It helps store the energy from tides
What is the coriolis effect?
The movement of water because of gravity
The movement of the wind because of the earth's rotation
How does temperature change as you go deeper into the ocean?
It gets warmer
It gets colder
It gets very hot
Which of these areas would the salinity of the ocean water be the highest?
A hot, dry area
Near a rainy coastal area close to the equator
At the mouth of a large river
In cold deep water near the bottom of the ocean
