Vibrations happen when things move back and forth very fast.
False
Not Sure
True
Maybe
What is the fastest?
Light Waves
Sound Waves
Beach Waves
Heat Waves
What is not a simple machine
Computer
Pulley
Wedge
Screw
Where is the only place sound waves don’t travel?
Earth
Pennsylvania
Saturn
Space
what is an example of Potential Energy.
Riding a bike
Holding a tennis ball
A ball in the air
Running a race
A good example of Kinetic Energy.
A rock at the top of a hill
Surfing on a wave
Holding a baseball
Watching the Eagles
Rubbing two sticks together to try to make a fire is an example of .....
Vibrations
Energy
Absorption
Friction
A round, black opening in the middle of your eye.
Eye lash
Retina
Brown
Pupil
Energy=The ability to do work, or the ability to cause a change in matter.
False
True
Maybe
Not Sure
The back of your eye.
Pupil
Retina
Eye Lash
Eye Ball
You can observe data. Observed data is data that you can...( your 4 senses)
See
Sit
Touch
Smell
When light hits a mirror or certain types of glass, it will bounce back off that object.
Mirror
Absorption
Refraction
Reflection
The bending of light as it passes from one material to another. Like a straw in a glass.
Reflection
Absorption
Pupil
Refraction