Sound is just matter that is ______________, or moving back and forth quickly.
What is vibrating?
100
This part of the ear you can feel with your hands.
What is outer ear?
100
Sound travels in _____________?
What is sound waves?
100
Why do babies make sound?
What is hungry, tired, bathroom, etc?
100
Sound travels slowest through _________.
What is gases?
200
When a sound bounces off something else and comes back.
What is echo?
200
These send the vibration information to your brain.
What are nerves?
200
Sound is a form of _____________.
What is energy?
200
Dolphins use sound to locate objects in their path. They send sound out and it returns to them. That is called ________.
What is echo?
200
Sound travels in a ______________.
What is wave?
300
At the top of your throat is where this part of your body is located.
What is vocal cords?
300
The vibrating eardrum makes the three _____ ______ in the middle of the ear vibrate and send information to the nerves.
What is tiny bones?
300
When a sound gets louder or softer that is called _________.
What is volume?
300
Sound travels fastest through this type of matter.
What is solid?
300
Why do you hear more sound in an empty room rather than in a room with lots of furniture?
What is the sound echos off the walls, a room with furniture will have the sound absorb?
400
This thin skinlike layer covers the middle ear and vibrates when sound hits it.
What is eardrum?
400
Why should you not stick anything inside your ear canal?
What is to keep from damaging your eardrum, hearing loss, etc?
400
Sound is made when matter _______________.
What is vibrates?
400
Other creatures use sound to ________________ with other living things.
Name one creature we have talked about that uses sound for communication.
What is communicate?
dolphin, bat, crawfish, frog, snake, grasshoppers, babies
400
As you go father away from a sound it gets _________.
As you go closer to a sound it gets _____________.
What is softer, louder?
500
This sound word means the sound is either high or low (hint - NOT loud or soft).
What is pitch?
500
What is louder and more dangerous to your hearing, standing at a rock concert with ear plugs in for two hours or standing without ear plugs next to a spaceship launch for 30 seconds?
What is spaceship?
500
Name one sound that might be very loud and one sound that is very quiet?
What is see student answers?
500
Crayfish rub their ___________ (feelers, claws) together to make a sound that frightens away their enemies.
What is feelers?
500
The top of the sound wave is called the _________.
The bottom of the sound wave is called the ________.