If the package around a cargo box is opaque, can you see it?
What is no, because opaque doesn't transmit light.
100
What is the speed of light?
What is 300,000 km/s
100
What makes up white light (primary colors)
What is red, green, blue
200
What are microwaves used for?
What is radar and microwave oven
200
Do mirrors reflect or scatter light?
What is reflect light
200
What would happen if your lunch box was transparent?
What is light could pass through without interference.
200
What substance can EM waves travel that others can't?
What is space
200
What is color addition?
What is the combination of colors of light?
300
What is the visible spectrum?
What is all colors humans can see
300
How do waves go around barriers or through openings?
What is diffraction
300
I used tracing paper to draw my project. What type of matter is it?
What is translucent that interferes with light but still transmits it
300
How is an EM wave produced?
What is by the vibration of an electrically charged particle, when the particle vibrates, the electric field around it also vibrates. When the electric field vibrates, a magnetic field is created. The vibration of an electric and magnetic wave results in an EM wave.
300
Explain a pigment.
What is a pigment is a material that gives a substance its light by absorbing some colors of light and reflects others.
400
What are the good and bad effects of gamma rays?
What is good: used to clean bacteria out of food and bad: can kill healthy cells.
400
Why does a light beam become weak after it has gone a distance?
What is scattering of light because of air particles
400
How is the color of an opaque object determined?
What is reflected color from object
400
Why is the light from the sun important?
What is the main energy source on earth
400
How is black made?
What is the combination of primary pigments
500
Can you order the EM spectrum from longest to shortest wavelength?
What is radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, gamma rays
500
How does a prism work?
What is it separates white color into different wavelengths, creating the rainbow.
500
How is the color of translucent and transparent objects determined?
What is the color of light transmitted to the matter.
500
Why does only a small part of the sun's energy reach the earth?
What is scattering of UV rays. The sun's rays go in all directions, and only some are exactly pointed to the earth.
500
Would you prefer to have a white car or black car out in the sun?
What is white because it reflects the sun. Black does not reflect.