6-12 TITF Mad Science Quiz

• Which of the following is NOT an illness that divers can experience when they exceed their limitations:

• Oxygen toxicity

• Deep sea madness

• Nitrogen narcosis

• Decompression sickness

What does SCUBA stand for?

• • Solo Contained Universal Breath of Air

• Self- Contained Underwater Breathing Apparatus

• • Sunken Capture of Underwater Breathable Air

• • Safe Continuous Underwater Breathable Air

• Basalt (oceanic crust) is less dense than granite (continental crust)

• True

• False

• How do hotspots build islands chains?

• • The hotspot forms in different places

• The tectonic plates move over the hot spot

• • Islands break apart into smaller islands because of eruptions

• Oceanic crust breaks apart, and rises to the surface

• What is the formula for density?

• Mass x Volume

• • Mass / Volume

• • Volume / Mass

• • Temperature x Mass

• Which of the following would NOT change salinity in the surrounding water:

• • Polar ice melting

• • The removal of saltwater from the nearby ocean to collect sea salt

• • Freshwater flowing from a river into the ocean

• • Hurricanes releasing rainfall

• What stops humans from being able to dive in the deep sea?

• Incompressible air pockets in our bodies would cause internal damage

• • Deep sea animals would eat us

• • SCUBA equipment does not work in deep water

• • Deep sea waters are too warm

• For every ___ feet deeper during a dive, one additional atmosphere of pressure is felt on the object

• 10

• 32

• 50

• 100

• What characteristics make sharks different from other fish?

• • Shark livers are significantly larger than the livers of fish

• • Shark livers are filled with oil to help them swim more efficiently

• Sharks  lack a swim bladder

• All of the above

• Why is buoyancy important for sharks?

• • Some shark species must keep swimming in order to keep breathing

• • It helps them jump out of the water to feed

• • It prevents them from sinking to the deep sea

• All of the above