Sound
You hit a tuning fork on a block of wood. What causes the sound?
Vibration
What do you need at the top of a notebook entry? It's the first thing you write.
The date
Which thing was loudest?
The cat
What is a sound source?
Something that makes a sound
Which will cause a sound- a fork sitting still or a person playing a violin?
A person playing a violin
In a scientific picture, is it okay to draw a smiley face on the sun?
NO
Which thing was quietest?
What is a sound receiver?
Something that hears a sound.
What will cause a sound- a pencil sitting on a desk or a pencil falling on the floor?
A pencil falling on the floor
In a scientific picture, should we draw from our imagination?
No
Which thing was in the middle?
The dog
What will be louder, a person speaking normally or with their hands cupped around their mouth?
Hands cupped around their mouth
Put the pictures in order
Hit drum, drum vibrates, vibrations go through air, vibrations go in ear
Which picture is scientific?
The one without the smiley face
Which thing was quietest?
The flute
Is something vibrating to cause your voice, yes or no?
Yes, your vocal cords
Put the pictures in order
Hit tuning fork against wood, tuning fork vibrates, vibrations go through air, vibrations go into the ear
If a group of students play a drum, a harp, a kazoo and a guitar in a field, which is a good scientific question:
a) Which instrument is loudest?
b) Which instrument sounds the nicest?
Which instrument is loudest?
Which thing was loudest?
The drum
Complete the graph
Complete the graph