My instrument.

Myas instrument: Guitar

Equiptment	Steps how to make it
small rubber bands.	1.First get an empty container/cardboard box.
cardboard box / container box	2. put the small rubber bands around the box. Place as many rubber bands you need.
(optional) A cardboard tube (from the glad wrap roll)	3. If you want you can attach the cardboard tube on the box.
	Explanation: If you strum a string on the guitar it will vibrate against the wood of the guitar, this creates sound waves. The sound waves ricroche inside the guitar through the hole. When the guitar strings vibrate against the guitar the sound will be louder.

What is echolocation?

Echolocation is used by many marine mammals, bats and humans. They use this technique to see throughout their ears.

How do they use echolocation?

Non-human animals emit sound waves to navigate their way and to locate prey. After they emit sound waves, The sound waves ricochet against objects and animals. Humans use echolocation quite differently from animals. Humans use sticks to click on the ground. Some people use their mouth to make clicking noises

Ben Underwood

Ben Underwood is known for “the boy who can see without eyes” He uses echolocation with his mouth so he can navigate throughout the world.  In his past he was Diagnosed with retinal cancer at the age of two, his mum had to make a hard choice to Let the cancer spread or to remove his eyes. At the age of 3 his eyes were removed.