Answer:
Rusting!
Explanation:
Rusting is a chemical reaction because it is the process of oxidation of a metal.
What is the primary source of a sound?
C. A vibration
Which of the following best describes reverberation?
A. The wavefronts become mixed and broken up due to contact with a rough or irregular surface.
_______ occurs when a body’s molecular wavelength sends vibrations to another body, resulting in the production of another sound wave.
D. Resonance
Which of the following is an example of the Doppler effect?
B. Vibrations from a tuning fork pass through the air and cause a nearby dish of water to produce ripples of the same frequency.
In Sir Isaac Newton's time in the early 1700s, what was the general consensus among scientists on the properties of light?
D. Light is composed of particles and travels in a straight line.
If the angle of incidence of a light source to a shiny surface is 30 degrees, what will the angle of reflection be?
C. 30 degrees
If a material has a high index of refraction, it has a
B. high optical density, and light travels more slowly through it.
Which of the following statements regarding the visible spectrum of light is accurate?
D. It has the longest wavelength of all types of waves along the electromagnetic spectrum.
If you were to combine a beam of blue light and a beam of yellow light, what would the result be?
C. Green light
The type of light waves that living things give off naturally is called
D. visible light.
When you're standing in a pool in the summertime, and your leg looks shorter under the water than in air, this is an example of light
B. refraction.
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Answer:
They are both mechanical waves
Answer:
Liquids are more dense than gases, but less dense than solids, so sound travels 2nd fast in liquids. Gases are the slowest because they are the least dense: the molecules in gases are very far apart, compared with solids and liquids.
Explanation: