All subjects! Created by Educational Technology Network. www.edtechnetwork.com 2009
Free 10pts (quietest team at end of game) Waves Tides Currents Importance of waves, tides, and currents 10 Free 10pts (quietest team at end of game) 20 30 40 50
The horizontal distance between wave crests is the Question 1 – 10pts The horizontal distance between wave crests is the
Answer 1 – 10 Wavelength
The lowest point of a wave is called this Question 1 - 20 The lowest point of a wave is called this
Answer 1 – 20 Trough
What 3 things cause waves in the ocean? Question 1 - 30 What 3 things cause waves in the ocean?
Wind, earthquakes, and volcanic activity Answer 1 – 30 Wind, earthquakes, and volcanic activity
A wave carries ________ that moves through water Question 1 - 40 A wave carries ________ that moves through water
Answer 1 – 40 Energy
This type of wave moves lower than one-half their wavelength Question 1 - 50 This type of wave moves lower than one-half their wavelength
Answer 1 – 50 Deep-water wave
This is how often high tides occur in most places Question 2 - 10 This is how often high tides occur in most places
Answer 2 – 10 Every 12 hrs
Tides are caused by these 3 forces Question 2 - 20 Tides are caused by these 3 forces
Interaction of the moon, sun, and Earth Answer 2 – 20 Interaction of the moon, sun, and Earth
What happens at high tide Question 2 - 30 What happens at high tide
The moon’s gravity is pulling ocean water into a bulge Answer 2 – 30 The moon’s gravity is pulling ocean water into a bulge
This type of tide occurs during the 1st and 3rd quarter of the moon Question 2 - 40 This type of tide occurs during the 1st and 3rd quarter of the moon
Answer 2 – 40 Neap tide
The primary cause of ocean tides Question 2 - 50 The primary cause of ocean tides
Gravitational pull of the moon on the Earth Answer 2 – 50 Gravitational pull of the moon on the Earth
When a current hits land, this occurs… Question 3 - 10 When a current hits land, this occurs…
Continental deflection (changes direction) Answer 3 – 10 Continental deflection (changes direction)
Question 3 - 20 These type of surface currents affect the climate near the land where they flow
Cold-water currents or warm-water currents Answer 3 – 20 Cold-water currents or warm-water currents
Which moves slower, surface currents or deep-water currents? Question 3 - 30 Which moves slower, surface currents or deep-water currents?
Answer 3 – 30 Deep-water currents
Question 3 - 40 This powerful current carries warm water and ends in the Atlantic Ocean
Answer 3 – 40 Gulf Stream current
Question 3 - 50 What 3 factors cause deep-water currents to form?
Increased salinity through evaporation (increased density) Answer 3 – 50 Decreasing Temp. Increased salinity Increased salinity through evaporation (increased density)
Deep-water currents are important for… Question 4 - 20 Deep-water currents are important for…
Movement of warm-water, plants, and nutrients to the surface Answer 4 – 20 Movement of warm-water, plants, and nutrients to the surface
Question 4 - 30 Waves, currents, and tides involve the movement of what?
Answer 4 – 30 Ocean water
Why are waves important? Question 4 - 40 Why are waves important?
Moving nutrients and food around for plants and marine life Answer 4 – 40 Moving nutrients and food around for plants and marine life
What is the importance of tides? Question 4 - 50 What is the importance of tides?
Energy (hydroelectric power plants) Answer 4 – 50 Energy (hydroelectric power plants)