Light Energy
Define Emit
to give off
What visible light colors do plant use to go through Photosynthesis?
(2 colors)
What is red and blue.
What is the type of light that is causing the high rate of skin cancer in Australia?
What is UV light.
What are the three interactions light can have with a material?
What is transmit, absorb or reflect.
Spell the word used to describe the height of a wave.
A-M-P-L-I-T-U-D-E
True or False
Reflection causes the material to change.
What is false.
Why are most plants green?
What is because they do not absorb the color green, it is reflected off .
Name the three molecules that are found in the atmosphere that were analyzed by the groups?
What are CO2, Sulfuric Acid and Ozone.
Light moves in a curved line.
What is false, it moves in a straight line.
What effect does infrared light have on genetic material?
It causes it to have an increase in KE.
True or False
Light transmitting through a material causes a change in the material.
What is False.
What medium do sound waves travel through on Earth?
What is air.
What molecule absorbs infrared light and leads to the greenhouse effect?
What is CO2.
The back of your eyes have __________ and _______
that absorb light.
What are cones and rods.
What do Spectroscopist do?
What is , they study how light interacts with different materials.
The _________________ of a wave determines the intensity of the light.
What is amplitude.
What is another word for light waves?
What is electromagnetic waves.
True or False
UV Rays transmitted through the Sulfuric Acid.
What is False.
It reflected off of it.
True or False
A crow looks black because it is reflecting off all the light .
False,
It looks black because it is absorbing all of the light.
At what college did the spectroscopist we watched a video on do research at?
What is Irvine Valley College.
Wave A has a wavelength of 3.89 *10^-8 meters
Wave B has a wavelength of 3.89 *10^-6 meters but has a smaller amplitude than Wave A.
Are these waves emitting the same type of light?
How do you know?
They are not emitting the same type of light because they have different wavelengths.
Name the 7 types of lights emitted by the sun
What are Gamma, Xray, Ultra Violet, Visible Light, Infrared, Microwave, Radio
What happens to Ozone when it absorbs the UV rays?
True or False
An apple looks green because it absorbs all the green light .
False
An apple looks green because it reflects off green light.
Name the colors that make up visible light.
What are red, orange, yellow, green, blue, indigo an violet.