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Light Waves
5th Grade Science Light Waves
Question | Answer |
---|---|
What is a prism? | Cut clear glass or plastic in the form of a triangle or other geometric that is used to create a spectrum or band of colors of the rainbow. |
What is reflection? | Light bounces off an object. |
What is absorption? | The stopping of light. |
What is refraction? | The bending of light waves as they move from one substance to another. |
Definition of opaque? | Little or no light travels through it. |
Definition of transparent? | Most light gets through. |
Definition of translucent? | Some light can get through but it appears blurry or foggy. |
Definition of visible spectrum? | Light passing through a prism. |
What colors make white light? | red, green, and blue. |
What does a prism do? | It bends light by refraction into a spectrum of colors. |
How does light travel? | It travels in waves in a straight lines called light rays. |
How is a rainbow formed? | when sunlight hits raindrops in the sky seperating the light into a spectrum. |
What is the law of reflection? | The angle of incoming light ray equals the angle of reflected ray. |
Why do grass and leaves appear green to our eyes? | Chlorophill absorbs some colors but scatters the green light waves which the human eye sees. |
What colors have the longest wavelengths? | red, orange |
What colors have the shortest wavelengths? | blue, violet |