How is ultraviolet light different from the light emitted by a flashlight?

G7 Q2 Science Practice Assessment

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1.
FLASHCARD QUESTION
Front
Back
Ultraviolet light is invisible to the human eye.
2.
FLASHCARD QUESTION
Front
What property is used to divide the various colors in the spectrum of white light? (7.P.10.1) Options: speed, wavelength, density, temperature
Back
wavelength
3.
FLASHCARD QUESTION
Front
What is the primary difference between the colors of visible light? Options: the brightness of each color, the heat produced by each color, the wavelength of each color, the speed of each color in empty space
Back
the wavelength of each color
4.
FLASHCARD QUESTION
Front
Which of the following materials would sound travel fastest through? (7.P.10.3) Options: a sponge, a beaker of water, the air in the room, a wooden desk
Back
a wooden desk
5.
FLASHCARD QUESTION
Front
Which of the following materials would light travel fastest through? (7.P.10.3) Options: air, plastic, water, light waves travel through all matter at the same speed
Back
air
6.
FLASHCARD QUESTION
Front
How does the speed of light in water compare to its speed in air?
Back
The speed is slower in water than in air because the molecules are closer together.
7.
FLASHCARD QUESTION
Front
Which of the following could result from heat being transferred to a substance?
Back
The substance changes from a liquid to a gas.
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