in order from largest to smallest wavelength are red, orange, yellow, green, blue, indigo, violet. they form a continuous spectrum.
100
What is a concave lens?
mirror with a surface that curves inward.
100
What is wavelength?
distance between two corresponding parts of a wave
100
What is a Synapse?
junction where 1 neuron transfers impulse to another structure.
200
What is Angle of Incidence?
angle between incoming wave and normal.
200
Give examples of combining colored light to make different colors.
3 colors that combine to make any other color are called primary colors. 2 primary colors combine = amount to produce a secondary color. any 2 colors that combine to form white light are called complementary colors (ex. yellow/blue)
200
What is a convex lens?
lens that is thicker in center than at sides.
200
What is frequency?
number of complete waves that pass a given point in a certain amount of time
200
What is an interneuron?
neuron that carries nerve impulses from 1 nerve to another
300
What is relationship of angle of incidence to the angle of reflection?
The law of reflection states that the angle of incidence equals the angle of reflection.
300
Why does an object appear red?
because it reflects red wavelengths of light and absorbs the other colors of light.
300
What is reflected?
bouncing back of object or wave when hits surface through which it cannot pass.
300
What is amplitude?
maximum distance particles of medium move away from their rest positions as a wave passes through medium.
400
What is the electromagnetic spectrum?
complete range of electromagnetic waves places in order of increasing frequency
400
What type of lens make an object appear larger? Describe its shape.
convex lens make objects appear larger. convex lens or magnifying glass is thicker in center than at the edges.
400
What is refracted?
bending of waves as they enter new medium at an angle
400
What is the path that sound takes through the Ear?
Which type of light has the most energy? Does light with short wavelength or long wavelength have more energy?
Gamma rays have most energy. Light with a short wave length has more energy.
500
Why does light change directions as it moves from air to water? what is this "bending" called?
when light rays enter medium at an angle the change in speed causes the rays to bend or change direction. this bending of light waves, due to a change in speed is known is known as refraction. light travels faster in air, a little slower in water, and slower still in glass.