How “The Cane Works”? The cane sends sound waves _________.
and it echoes back via shaking
and it echoes back via looking
What ”Bats Did It First” mean? Bats use sound waves __________.
to see better at night similar to a cane.
to navigate better at night similar to a cane.
A white cane is a model that can __________
All choices are correct
vibrate to find their way
echo to find their way
send out sound waves to find their way
How did they discover the bat-inspired cane?
Scientists observed how bats fly at night.
Scientist observed how bats see at night.
The bat-inspired cane is identical to the ones bats use for _______________.
navigating their way to the dark
flying their way to the dark
Bats navigation system is an _____________ idea from nature.
similar
identical
example
imitate
Bats were inspired by nature. So, they imitate or copy people.
False
True