Things you always wanted to know about waves but were afraid to ask
What??
I am SO ready for this exam!
100
Most objects can be seen because they _____.
What is reflect light waves?
100
Why must light be refracted by the lens of the eye?
What is so that the image focuses at the back of the eye
100
A projector when turned on transmits red light. When a red filter is placed in front of the red beam of light, red light passes through. When a sheet of blue filter or green filter is placed in front of the projector’s red beam of light, no light passes through either of those filters.
Which of the following is supported by these observations?
What is red light is not transmitted through a blue filter.
100
The frequency of violet light is _____ that of yellow light.
What is higher than?
100
Students carried out an investigation in which a flashlight was pointed at a screen. They wished to find out if the distance from the light to the screen had any effect on the size of the illuminated area.
What is the independent variable in this experiment?
What is the distance from the light to the screen
200
The signals generated by the nerves in the retina are carried to your brain by the _____.
What is optic nerve
200
What happens when white light strikes a black object?
What is no light is reflected; it is absorbed by the object?
200
A piece of cloth appears red through a red filter, green through a green filter, and blue through a blue filter. What color is the cloth?
What is white?
200
The portion of the electromagnetic spectrum that has longer wavelengths than visible light and transmits heat (thermal) energy is ______.
What is infrared radiation?
200
The value of having a control set-up for some experiments is in providing _____.
What is a comparison?
300
The transparent front surface of the eye where light first passes through is called the _____.
What is the cornea?
300
Which behavior of light must happen if the color of an opaque object is going to be seen?
What is reflection?
300
This accurately describes the relationship between frequency, wavelength, and energy on the electromagnetic spectrum?
What is The longer the wavelength, the lower the frequency and the lower the energy.
300
_____ energy is transmitted by infrared radiation.
What is heat?
300
What is the importance of recording the data from an experiment in organized charts, tables, or graphs?
What is they help with the accuracy of reporting observations?
400
Light waves enter the eye and pass through which two transparent parts?
What is cornea and lens?
400
What happens when all the light waves of the visible spectrum are reflected together?
What is you see white?
400
List the colors of the visible spectrum in order from lowest to highest frequency?
What is A) red, orange, yellow, green, blue, violet
400
As the frequency of the radiation increases so does the energy in that type of radiation. Which of the forms of electromagnetic radiation has the highest frequency and therefore the most energy?
What is gamma waves?
400
Sam yelled across a large canyon and listened to see if he could hear is voice clearly echoed back. He repeated his yell several times. Each time the words echoed back were not very clear. He wondered why? What question could Sam ask that would help him further investigate why the echo was not clear?
What is what type of surface produces the most clear echo?
500
Which describes the correct path that light takes in order for to be able to see a tree?
What is the light is reflected from the tree. The reflected light travels to the eye, going through the lens to nerves that go to the brain.
500
Why does a lemon appear yellow?
What is it reflects yellow light and absorbs all other colors.
500
If red is the color on the top of the visible spectrum being emitted from the prism, what is the color on the bottom?
What is violet?
500
If you notice the order of the colors in a rainbow for scientific study, you are making a __________________ observation.
What is qualitative?
500
A well-known company is advertising a new sunscreen. The spokesperson in the advertisement is a well-known TV personality. The commercial mentions that the sunscreen has undergone several rounds of testing and has been found safe and effective for blocking UV waves. Which is the best reason the sunscreen is safe to use?