Nature Comprehension
1. What do inventors or scientists get from nature?
They get inspiration or ideas.
6. What are the processes of making this special cane?
a. He started with an ordinary white cane.
b. He added sound waves and tested the cane.
c. He used a special material that was lightweight and strong cane.
d. He sketched plans and made a model of his invention.
( ) -> ( ) -> ( ) -> ( )
a - > d -> c -> b
1. How would bees and locusts help carmakers?
Bees can see objects all around them and locusts never crash so these ideas can help cars and drivers.
2. What was the special cane inspired by?
7. How does the cane work?
a. The __________ of the cane sends out signals.
b. The signal hits objects and an _________ bounces back to the cane.
c. The person holding it feels buttons on the handle __________ or shake.
d. These buttons fell the person how _______away and how _____ the object is.
a : handle b : echo c : vibrate d : far, big
2. How did the butterfly’s wings help improve cellphones and e-readers?
The pattern on the wings gets brighter in the light, so that pattern on a phone would make the color's brighter in the sun.
3. How is the bat-inspired cane different from other canes?
a. It sends out sound waves or signals.
b. It gives light.
c. It makes a honking sound.
d. It is light (not heavy) and long.
a. It sends out sound waves or signals.
8. Why do inventors and scientists study nature all the time?
_________________________________________________________
They can have great ideas from nature
3. Why is an inflatable robot a good idea for Mars?
Because Mars is very windy and dusty.
4. How did the scientist come up with the idea for the new cane?
(2 answers)
a. He got the information from TV.
b. He observed the way bats fly at night.
c. He knew bats make high-pitched sound that people cannot hear.
d. He used the fact that bats’ high-pitched sounds create an amazing navigation system.
b and d
5. How does the bats’ navigation system work? (Fill in the blank).
a. Bats send sound waves out through their _________ or _______.
b. Sound waves hit objects and then bounce back as an _________.
c. The echo tells the bats how far and big an ______________ is .
d. This information helps bats _______________ bugs to eat.
e. It is also an _______________ way to communicate with other bats.
a : mouth, nose
b : echo
c : object
d : find
e : effective