Louis Braille
How did Louis Braille become blind?
An accident when he was young
How many arms does an octopus have?
8
Where do mangrove trees grow?
Along the seacoasts of warm lands
Why were the big raised-letter books difficult for blind students to use?
The books were thick and heavy OR had only a few words per page OR reading each page took a long time.
What clever trick did aquarium octopuses do at night?
They got out of their tanks at night, ate fish, and returned
Why can mangrove trees survive in salty ocean water?
Their roots can remove most of the sea salt
What tool did Louis use to make his new reading system?
A pointed tool and thick paper to punch dots
Name one way an octopus can open shells to eat the shellfish inside.
They smash mussel shells, pry open clam shells, or drill into shells with their saw-like tongues
What do the tangled roots of mangrove trees do?
They help hold up the tree in soft mud
How old was Louis when he invented braille?
15
Why do scientists think octopuses are so smart?
Because they have no body protection and live in a dangerous, ever-changing environment, so they need to be clever to survive
Name one way mangrove forests help protect the environment.
They protect coastlines from strong waves, remove pollutants from water, and trap silt to prevent erosion.