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Light and Color
Motion
Forces
Waves
Sound
100
the pupil
What is the part of the eye that looks black ?
100
the state in which one object's distance from another is changing
What is motion ?
100
a push or pull
What is a force ?
100
when two waves combine to form a larger wave
What is contstructive interference ?
100
how quickly the particles of the medium go back to the rest position.
What is elasticity ?
200
the cornea
What is the transparent front surface of the eye ?
200
a place or object used to determine if an object is in motion.
What is a reference point ?
200
the sum of all forces acting on an object.
What is net force ?
200
When a wave hits a surface through which it cannot pass, it bounces back.
What is reflection ?
200
you can hear sounds around corners because of this
What is diffraction ?
300
opaque object
What is an object that light cannot pass through ?
300
rate at which velocity changes.
What is acceleration ?
300
the tendency of objects to resist change in their motion.
What is inertia ?
300
the incoming wave
What is the angle of incidence ?
300
how close together the particles a medium are
What is density ?
400
refracts (bends) light, forming an image.
What is a lens ?
400
when an object is traveling at the same speed while it's in motion.
What is constant speed ?
400
this is also called the law of inertia
What is Newton's 1st Law of Motion ?
400
the distance between two crests or troughs
What is wavelength ?
500
the layer of cells lining the inside of the eyeball.
What is the retina ?
500
speed in a given direction.
What is velocity ?
500
the force that pulls objects towards Earth
What is gravity ?
500
the number of waves that pass a given point in a given amount of time.
What is frequency ?