Interactions of Light
What color(s) reflects off of an orange
orange
35 degrees
What part of the eye does light waves enter through
Cornea
What is an example of an optical instrument
camera
telescope
microscope
What is an example of something in each of earths spheres
Geosphere- mountain
Hydrosphere- lake
Cryosphere- polar ice caps
Atmosphere- air
Biosphere- humans
What concept causes us to see a straw in a glass of water as broken
Refraction
What type of image do a plane and convex mirrors make
virtual
What is the difference between cone cells and rod cells.
Cones detect bright light and color
Rods detect dim light
What are the 4 types of light we discussed
LED
Laser
Incandescent
Fluorescent
What are the three layers of the geosphere
crust
mantle
core
How can matter interact with light
Transmit
Absorb
Reflect
A concave mirror looks like what?
A bowl
What part of the eye sends electrical signals to the brain
optic nerve
Which lights last longer incandescent or fluorescent
What gets exchanged between earth's spheres
Matter
Energy
What is the difference between transparent and translucent materials
Transparent transmits light in a straight line making us see through it clearly
Translucent transmits light in all directions making everything look fuzzy or distorted
What determines whether a convex lens forms a real or virtual image
Where the object is in relation to the focal point
Where is the image produced in farsighted people
Behind the retina
How do LED's transmit light
a solid material that emits light when energized by an electric current.
What is an example of Earth's spheres interacting
Water from hydrosphere evaporating into water vapor in the atmosphere
Any other example
Why is the sky blue
The blue wavelengths scatter more than the red wavelengths.
Side view mirrors are what type of mirror
Convex
What is wrong with the cornea in nearsighted people
It is too long or curved too much
What does coherent light mean
The light stays together when traveling away from the source
What two things disturb earth's energy budget
Greenhouse gases
Melting polar ice caps