Vocabulary
Energy that you hear.
Sound
The bumpy edge of a male cricket’s wing.
File
how high or low a sound is
pitch
Fast back-and-forth movements.
Vibrations
The smooth edge of a male cricket’s wing
Scraper
how loud or soft a sound is.
volume
ripples of energy
waves
to bounce back from something
reflect
sound waves that reflect back and are heard again
echo
a way that some animals use sound waves to find things.
echolocation
the top or outside of something.
surface
a tiny particle, or piece of matter, that you can’t see.
molecule
the skin around the outside of our ear.
outer ear
the part of our ear that connects the outer ear and the inner ear.
middle ear
the part of our ear that sends signals to the brain.
inner ear
to find by using one of our senses.
detect