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