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I need help with this today!!!
1. When light is scattered a __________ is created.
2. Describe how we see using the 6 parts of the eye.(List 6 parts of the eyes)
3. Describe how we hear using the 8 parts of the ear (List 8 parts of the ear)
4. What do we call the material any wave travels through?
5. Sound are caused by______________.
6. Sound travels in ___________temperatures.
7. A sound will travel _______________ in a denser medium.
8. What happens to the molecules when they are heated?
9. What are 3 ways heat transfer energy?
10. How does convection in the Earth's mantle move plates?
11. What happens during thermal expansion?
12. How radiation is related to EM waves?
13. What is contraction? What would cause it to happen?
I would very apprecieate if you guys help me all of 13 questions

Sagot :


1. Rainbow (white light is split into its subsequent wavelengths)
2. Light enters through the cornea, is adjusted by the lens, the cones and rods of the retina are responsible for the perception of color and shadows, which are sent through the optic nerve to the occipital lobe of the brain.

3. Sound waves are intercepted by the pinna, travels through the auditory canal, reverberates on the eardrum, the vibrations travel through the ossicles of ear (hammer, anvil and stirrup), continuing to the cochlea and are sent through the auditory nerve to the brain.

4. A medium

5. Vibrations

6. All

7. Faster

8.Their kinetic energy increases

9. Conduction, convection and radiation

10. The heating of metals in the mantle, creates a current which slowly moves the plates above it.

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