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Physical Science Unit 2 Test

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1.
1 point
As the frequency of a wave increases, what happens to energy and wavelength?
2.
1 point
What affects the speed of sound?
3.
1 point
When you feel the sensation of the warmth of an oven, what is the sensation the result of?
4.
1 point
When you squeeze together coils of a slinky and then release them, you are creating a ________ wave.
5.
1 point
The frequency of violet light is ______ that of yellow light.
6.
1 point
Which is most true about light waves traveling through a medium?
7.
1 point
Which statement is true about the motion of particles, the shape, and the volume of a solid?
8.
1 point
You can see the computer screen, the desk, and the people around you because light is being __________.
9.
1 point
For the Doppler Effect to occur, does the source, the observer, both, or neither have to be moving?
10.
1 point
Calculate the Cp of a 20g piece of metal if 30 J of heat is required to raise the temperate from 65C to 77.5 C.
11.
1 point
Heat always moves from an object of _______ temperature to an object of _______ temperature.
12.
1 point
A wave will only travel as long as there is ______ to carry.
13.
1 point
What happens to a substance’s particles when energy is taken away from them?
14.
1 point
The Doppler Effect is an observed change in a wave’s _______.
15.
1 point
The energy transferred between objects with two different temperatures is ______.
16.
1 point
Where can sound NOT travel?
17.
1 point
The phase change that will result from enough energy being given to a liquid to transform to a gas is called _______.
18.
1 point
Which method of energy transfer does NOT require matter?
19.
1 point
Energy from the Sun travels to the Earth as _______.
20.
1 point
Calculate the heat energy transferred when raising the temperate of 16g of water from 25 C to 28 C and the specific heat capacity of water is 4.186 J/gC.
21.
1 point
All of the following are good conductors of heat EXCEPT
22.
1 point
A person is standing still and listening to a siren of an approaching police car. As the car approaches (and before it passes the person) the frequency of the siren’s sound will ______.
23.
1 point
What are the melting/freezing points, and boiling/condensing points for water, respectively? (Read answer choices CAREFULLY!)
24.
1 point
Which electromagnetic wave has the greatest energy?
25.
1 point
You are creating waves on a slinky. If you start shaking the spring more slowly, the wavelength of the wave will ________.
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