What is the picture of a light source that light rays make when they reflect from a mirror or refract from a lens?
What is AN IMAGE
100
What is the term that means the bending of light rays? Explain when this behavior of light occurs.
What is REFRACTION; WHEN THE LIGHT RAY ENTERS A NEW MEDIUM AND THEREFORE CHANGES SPEED AND DIRECTION
100
FILL IN THE BLANK: Visible light waves have different _______________. Our eyes interpret these differences as different colors.
What is WAVELENGTHS
100
What types of objects block all light? Give 3 examples.
What is OPAQUE; DOOR, CABINETS, SWEATSHIRT
100
FILL IN THE BLANKS: Light has properties of both waves and ____________. A tiny bundle of light is called a ____________.
What is PARTICLES; PHOTON
200
What is the name for a cut piece of glass in the shape of a triangle that makes the colors of the spectrum visible when light passes through it? What is needed for this to occur in the sky using sunlight?
What is A PRISM and WATER DROPLETS
200
What is the term that means light is taken into an object? Explain how this relates to the temperature of the object.
What is ABSORPTION; LIGHT ENERGY IS TURNED INTO HEAT WHEN IT IS ABSORBED, WHICH RAISES THE TEMPERATURE OF THE OBJECT
200
Explain why we see the color white and why we see the color black.
What is ALL COLORS OF THE SPECTRUM ARE BEING REFLECTED AND NONE ARE ABSORBED (WHITE); ALL THE COLORS OF THE SPECTRUM ARE BEING ABSORBED AND NONE ARE REFLECTED (BLACK)
200
What types of objects allow all light to pass through them? Give 3 examples.
What is TRANSPARENT; CLEAR DRINKING WATER, AIR, A WINDOW
200
FILL IN THE BLANK: Light waves vibrate in the direction perpendicular to the direction of their motion, so they are called __________ waves.
What is TRANSVERSE
300
Another way to say that light can pass through an object is to say it can be ________________ through the object. What two categories of objects allow this to happen?
What is TRANSMITTED; TRANSPARENT and TRANSLUCENT
300
FILL IN THE BLANK: An opaque object casts a ____________. Explain why this happens.
What is A SHADOW; BECAUSE THE OBJECT IS BLOCKING LIGHT FROM PASSING THROUGH TO THE OTHER SIDE
300
What is the name for the band of colors in a rainbow? Name these colors in order from longest wavelength to shortest wavelength.
What is SPECTRUM; red, orange, yellow, green, blue, indigo, violet (ROY G BIV)
300
What types of objects permit some light to pass through them, but not all? Give 3 examples.
What is TRANSLUCENT; BUBBLE WRAP, STAINED GLASS WINDOWS & WAX PAPER
300
FILL IN THE BLANKS: Light is made up of vibrating ______ and ______ energy.
What is ELECTRIC and MAGNETIC
400
What is the term that refers to the way in which electric and magnetic forces interact?
What is ELECTROMAGNETISM
400
FILL IN THE BLANK: A mirror is an example of an object that ____ a great amount of light. Define this term in your own words. Be specific.
What is REFLECTS; THE ORGANIZED SCATTERING/BOUNCING BACK OF A WAVE
400
FILL IN THE BLANKS: White light is simply a mixture of different _______. The primary colors of light are _____, _____, and _____.
What is WAVELENGTHS/COLORS; RED, GREEN, & BLUE
400
FILL IN THE BLANK: Light travels in a ______ _____ until it hits an object. Name 3 ways it can then interact with the object.
What is STRAIGHT LINE; BE TRANSMITTED, REFLECTED, OR ABSORBED
400
What are the 3 main types of radiation the sun produces?
What are ULTRAVIOLET, INFRARED, AND VISIBLE LIGHT
500
The term that refers to the distance between one peak and the next in a wave is ________________. ____________ have the shortest of this type of measurement out of all types of radiation on the electromagnetic spectrum.
What is WAVELENGTH; GAMMA RAYS
500
In which medium does light travel the fastest? Solid, liquid, gas, or a vacuum?
What is VACUUM
500
Why do our Avon Eagles t-shirts, sweatshirts, etc. appear purple and yellow to our eyes? Be specific!
What is THEY ARE OPAQUE, THEREFORE THEY REFLECT PURPLE AND YELLOW LIGHT BUT ABSORB ALL OTHER COLORS
500
Why is it a better idea to wear light colored clothing as opposed to dark colored clothing on a hot, sunny day? Be specific.
What is DARK COLORS ABSORB MORE LIGHT ENERGY THAN LIGHT COLORS, WHICH IS THEN TURNED INTO HEAT. LIGHT COLORS REFLECT MORE LIGHT ENERGY SO LESS HEAT IS PRODUCED. LIGHT COLORS KEEP YOU COOLER THAN DARK COLORS.
500
Which 3 colors do magazines, newspapers, etc. use to create all other colors that are printed? (Hint: the primary pigment colors)