Show:
Are Sharks Dangerous
Brushing and Flossing
Prey
Are Sharks Smart
Bite-Size Facts
100
Only ______ dozen are dangerous to humans.
two
100
Sharks continually lose _______
teeth
100
Sharks usual prey are
smaller animals (shrimp, fish, turtles, seabirds)
100
Sharks appeared in the oceans how many years ago?
400 million years ago
200
What is one scientific theory for why sharks attack humans?
Sharks mistake the sound of swimming humans for injured fish.
200
Some species of shark shred ____________ (number) teeth during their lifetime.
30,000
200
Bull sharks will consume
large mammals (seal lions, dolphins)
200
Sharks can recognize and remember _______ and _______.
shapes and patterns
200
Sharks are carnivorous which means they eat
meat
300
What is one of the three sharks that have fatally attacked humans?
great white, tiger, bull shark
300
A Nurse Sharks teeth are for chewing up _______.
shellfish
300
Whale sharks eat only
plankton
300
Scientists taught ________ sharks to swim through mazes, ring bells and press targets.
lemon
300
Some sharks swim in lakes and rivers like the
Bull Shark
400
The state that leads the world in shark bites is _______
Florida
400
A Tiger Shark's teeth are for crunching up
fish to birds to tin cans or garbage
400
Name one non-animal thing that tiger sharks will eat.
tin cans, plastic bags, coal, license plants
400
Sharks must swim endlessly or they will
sink
500
There are fewer than ________ attacks on humans each year.
100
500
A Mako Shark's teeth grind up ________
squid and big fish
500
Sharks are attracted to prey by _________.
sound - wide range vibrations - close range
500
Sharks lack a _______ that helps control buoyancy.
swim bladder