Question: What colors are in the visible spectrum?
Answer: Green, Blue and Red
100
Question: What are the three primary regions of the human ear?
Answer: The outer, middle and inner ear
100
Question: What is refraction?
Answer:Refraction is when light speeds up or slows down in different mediums
100
Question:What is Sound?
Answer:Sound is made of waves of vibrations passing through a medium.
100
Question:How fast can light travel per second?
Answer:Light travels at a speed of ~300,000 km/s
200
Question: What is the difference between dyes and light?
Dyes absorb color, so when two dyes are mixed even more colors are absorbed. In dyes, all colors added together make black. In light, all colors make white.
200
Question: What are decibels and what is the symbol for it?
Answer:The loudness of sound,(dB)
200
Question: What are lenses used for and what are two different lenses?
Answer:Lenses are used to refract light in ways that we want. There are concave and convex lenses.
200
Question:What are oscilloscopes?
Answer:Oscilloscopes are machines used to measure sound waves and visualize them on a screen.
200
Question:What is visible light?
Answer:Visible light is light that humans see and is made of many colors.
300
Question: What is transmission?
Answer: When light filters are used to absorb some wavelengths of light and let others pass through.
300
Question: What are hearing aides used for?
Answer:They detect sounds and amplify them into the ear canal.
300
Question: When light travels through objects, what depends of the speed?
Answer:Depending on the density of that object
300
Question:What are parts of a wave?
Answer:The amplitude, wavelength, crest, trough and frequency.
300
Question:What does colors does white light consist of:
Answer:red, orange, yellow, green, blue, indigo and violet
400
Question: What do our eyes to with the all the primary colors?
Answer: Our eyes and brains combine these colors to make up all? the other colors that we are able to see
400
Question: Aside from hearing, what is the ear important for?
Answer: It is used for detecting an object’s location,
maintaining balance, subconsciously detecting and observing our surroundings.
400
Question: What happens when light enters a block prism at the normal angle?
Answer: It slows down, but is not refracted.
400
Question:What is sound not able to go through and why?
Answer:Sound is not able to travel through a vacuum because there are no molecules to vibrate.
400
Question:What are prisms?
Answer:Prisms are able to separate light by slowing down the light, which changes its direction.
500
Question: What light color appears when you combine: green and blue, green and red, red and blue, red, blue and green
Answer: Cyan, Yellow, Magenta and White
500
Question: What are in the inner ear, middle ear and outer ear?
Answer: The Outer Ear has the Auricle and Ear Canal. The Middle Ear has the Ear Drum and Auditory Bones?(amplify sound). The Inner Ear has theCochlea,Auditory Nerves and
Semicircular Canal
500
Question: What happens when light passes through a convex lens and a concave lens?
Answer: When passing through a convex lens the light is refracted towards the center line. When passing through a concave lens the light is refracted away from the center line.
500
Question: How fast is sound in air,water and wood meters per second.
Answer:In air it is 330 meters per second, in water it is 1500 meters per second and in wood it is 3850 meters per second.
500
Question:What are some different types of light?
Answer:Radio,microwave,infrared,visible spectrum, ultraviolet, xray and gamma