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How does light travel through fiber-optic cables?
The light bounces along the inside strands of glass.
What are fiber-optic cables made of?
reflective glass
What color of the visible spectrum has the highest frequency and a shorter wavelength?
Violet
What color of the visible spectrum has the lowest frequency and a longer wavelength?
Red
What are three things that a light wave can do when it hits a material?
Light can be absorbed, transmitted, and reflected.
True or False: Light travels through a straight line.
True
Fill in the blank: The light was ______ off the mirror.
reflected
What happened to the red cube when the light directed at it?
The light was transmitted or passed through
What is air made up of?
Gases and liquid droplets
Which country has the lowest population with melanin?
Australia
What is the first line of defense your skin cells have and what does it do?
Melanin: Absorbs UV light
True or False: Different types of light have the same wavelengths?
False
What is one type of light that doesn't reach the Earth’s surface?
Gamma rays or X-ray
What type of waves carry more energy Radio or Gamma?
Gamma
What has a longer wavelength A or B?
B
What has a higher frequency A or B?
A
How do sound waves move?
They travel through matter, as vibrations
What are the colors in the visible light spectrum?
Red, orange, yellow, green blue, indigo, and violet
How many types of light does the sun emit? Identify them.
7-radio, microwave, infrared, visible, ultraviolet, x-ray, and gamma ray
What type of light reaches the Earth’s surface and causes skin cancer?
Ultraviolet
What happens to the skin cells when a person has skin cancer?
The genetic material gets damaged
What is it called when energy from light goes into an object?
It is absorb.
Fill in the blank: ___ is something that carries energy from one place to another.
Light
What is energy?
The ability to make things move or change
What continent had the highest rate of skin cancer?
Australia
What is the name of scientist that study light and how it interacts with materials?
Spectroscopists
Why does an orange appear the color orange?
Light hits the orange, the color orange reflects to your eye and is absorbed to see the color orange.
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