#1
When sound moves through the ear, this part of the ear vibrates.
What is the EARDRUM?
What is THEY ARE CAUSED BY VIBRATIONS?
Sound is caused by this.
What are VIBRATIONS OF OBJECTS?
Alexander Graham Bell was the first to communicate using this.
What is a TELEPHONE?
These are the names of the three tiny bones in the ear.
What are the HAMMER, ANVIL, and STIRRUP?
Three ways to keep your eardrums healthy.
What is:
1. NOT PUTTING ANYTHING SMALLER THAN YOUR ELBOW INTO YOUR EAR.
2. NOT LISTENING TO LOUD MUSIC.
3. PROTECTING OUR EARS WHEN USING OR AROUND LOUD MACHINES AND EQUIPMENT.
Pitch describes if a sound is this.
What is HIGH or LOW?
Tell at least two ways that prove sound waves travel through water.
1. WE CAN SEE THE WATER VIBRATE AND WE CAN HEAR SOUNDS FROM SOME WATER LIFE (SUCH AS WHALES).
2. WE CAN ALSO HEAR WHEN SOMEONE SPLASHES WATER ABOVE US OR MAKES NOISE IN THE WATER WHILE WE ARE UNDERWATER.
Sound waves can travel through these.
What are GASES, SOLIDS, and LIQUIDS?
Tell about Alexander Graham Bell's invention and why it is important.
ALEXANDER GRAHAM BELL INVENTED THE TELEPHONE. IT WAS VERY IMPORTANT BECAUSE IT OPENED UP THE WORLD OF COMMUNICATION THAT WE HAVE TODAY. IT ENABLED PEOPLE TO TALK TO EACH OTHER EVEN AT GREAT DISTANCES.