Light Flashcards
What is a concave mirror?
Reflecting surface that curves like the inside of a spoon.
What is reflection?
Bouncing of a light wave off a surface
When are images formed better? Rough or Smooth Surface?
smooth
What is translucent light?
Only some light can pass through the object
What is opaque light?
no light can pass through the object
What is reflection?
Bouncing of a wave off a surface
What does absorb light mean?
Takes in the light
What is refraction of light?
The bending of a wave as it moves from one material to another
What does it mean to transmit light?
Allow something to pass through a medium
What is light?
A form of energy you can see
What is electromagnetic spectrum?
A group of waves including visible light that can travel through space
What is direct light?
Most important source is sunlight.
What is indirect light?
Type of light we use the most
What is visible spectrum?
White light and the colors of light in it (ROYGBIV)
Examples of Transparent Light
Glass, Water, Clear objects
Examples of Translucent Light
Plastic?
Blinds?
Bottle?
Examples of Opaque light?
Wall
Desk
Table
Examples of Direct Light?
Sun light
Stars
Volcano
Examples indirect light?
TV
Match
Fireflies
Examples of Reflected light?
Moon
Planet
Mirror
What colors make up the visible spectrum (white light)? List in correct order.
Red, Orange, Yellow, Green, Blue, Indigo, Violet
Which color of visible light has the least amount of energy
Red
Which color of visible light has the most amount of energy?
Violet
What color reflects the most light?
Green
Why are the seven colors of visible light always seen in a specific order?
They are in order from slowest to fastest energy
What happens to the colors of visible light when we see black?
It is absorbing the light
Your friend is wearing a blue shirt. Why are you able to see blue and not any other colors of the visible spectrum? Use the words reflect and absorb.
Blue absorbs off and the other colors reflect
Four examples of concave mirrors to reflect light?
Search lights
headlights
flashlights
telescope
Two places you would find a convex mirror?
Automobile rearview mirror
Department stores?
What happens to light waves when they hit a surface at an angle and change speeds?
They bend
Light waves are also refracted when they pass from air into
clear glass?
plastic?
A curved piece of glass, plastic, or other clear material is known as a____?
lens
Convex lenses are thicker in the middle or outside?
Middle
Concave lenses are thicker in the middle or outside?
outside
What type of lens does your eyes have?
Convex
What type of lens magnifies an object?
Convex lens
Name four ways lasers are used to assist people?
Long distance calls
Clean old paintings
Treat unhealthy body parts
Used as a ruler, knife, or drill
What is convex mirror?
Reflecting surface that curves like the outside of the spoon
