False. An octopus has eight arms. Tentacles are what squid and cuttlefish have.
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15
TRUE or FALSE:
Sound travels faster in water than air.
True. Sound travels 1,435 meters per second in water, almost five times faster than in air.
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15
Name the animal in ten seconds:
SLEBTRO
Lobster!
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Check
monster
Reset all scores!
Oops!
fairy
Take points!
5
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25
fairy
Take points!
5
10
15
20
25
lifesaver
Give 20 points!
Oops!
lifesaver
Give 20 points!
Oops!
gift
Win 20 points!
Okay!
shark
Other team loses 15 points!
Okay!
banana
Go to last place!
Oops!
10
TRUE or FALSE: The average temperature of the ocean is 2°C (about 39° Fahrenheit).
True! The water in Plentzia averages about 16°C.
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15
TRUE or FALSE:
An octopus has three hearts.
True! It has two to move blood past it's gills and one for the rest of its body.
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Check
thief
Give points!
5
10
15
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25
gift
Win 20 points!
Okay!
gift
Win 15 points!
Okay!
baam
Lose 5 points!
Oops!
10
Name the animal in ten seconds: HILNPOD
Dolphin.
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20
Why are the animals that live at the bottom of the ocean often red in colour?
Because red light doesn't go deeper than 150m, the fish at the bottom of the sea appear black or almost invisible. If they were blue you would still see them.
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15
TRUE or FALSE:
Almost all of the ocean is unexplored.
True. We have only explored 5% of the world's ocean.
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15
TRUE or FALSE: Phytoplankton survive on the sun's energy.
True. Phytoplankton absorb energy from the sun through the process of photosynthesis.
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15
TRUE or FALSE: The oceans cover 71% of the world's surface and contains 97% of the earth's water.
True! Less than 1% is freshwater, and 2-3% is in glaciers and ice caps.
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10
Name the animal in ten seconds: FLEISHJYL
Jellyfish.
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Okay!
Check
boom
Lose 50 points!
Oops!
shark
Other team loses 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
The name Pacific Ocean comes from the Latin for 'peaceful sea'.
True! The name derives from the phrase 'Tempre Pacificum'.