Force
A ________ is a force that moves an object away.
Push
A ______ is a force that moves objects closer to you.
pull
Sound is a type of _________ produced by vibrations.
energy
____________ push particles in the air, creating sound waves.
vibrations
A ______ is a push or a pull.
Force
________ is the act of moving.
Motion
Sound is produced by ___________ of matter.
vibrations
We hear sounds when sound waves travel to our ears and vibrate our _____________.
eardrums
changes
_________ is the path along which something moves.
Direction
________ is how loud or soft a sound is.
Volume
Sound waves
A ______ is when two objects hit each other.
collision
Pushes and pulls can _________ an object's motion.
change
Soft sounds have ________ energy.
(more, less, fewer, bigger)
less
Loud sounds have ________ energy.
(more, less, fewer, bigger)
more
When two objects ________ they push on each other.
collide
________ is how fast or slow something moves.
Speed
___________ ___________ travels through air, water, and solids.
Sound energy
Vibrations are fast ________ and _________ movements.
back and forth