Term
The scattering of light off an uneven surface is called
A. Diffuse Reflection
B. Regular Reflection
C. Refraction
D. Total Internal Reflection |
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Definition
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Term
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Definition
1. Crest
2. Wave Length
3. Trough
4. Wave Height |
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Term
A convex lens can form
a. A reflection
b. A real image
c. A virtual image
d. either a real image or a virtual image |
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Definition
| D. Either a Real Image or a Virtual Image |
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Term
| Why do you see the petals of a rose as red and leaves as green? |
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Definition
When an object is hit with light rays, the object absorbs certain waves and reflects others.
The rose absorbs all colors but reflects red.
The leaves absorbs all colors but reflects green.
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Term
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Definition
1. Radio Waves
2. Gamma Ray Waves |
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Term
Heated air moves from baseboard heaters to the rest of the room in a process called
a. convection
b. conduction
c. radiation |
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Definition
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Term
All electromagnetic waves have the same
a. speed
b. frequency
c. energy
d. wavelenght |
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Definition
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Term
Which of the following will not be found in the electromagnetic spectrum?
A. Radio Wave
B. X-ray
C. Sound
D. Infrared Ray |
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Definition
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Term
The kinetic energy in each particle within a substance is measured by the ____________________ of the substance.
A. Temperature
B. Thermometer
C. Heat
D. Composition |
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Definition
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Term
The electromagnetic waves with the longest wavelengths are
A. Gamma Rays
B. X-rays
C. Infrared Rays
D. Radio Waves |
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Definition
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Term
Electrical energy is converted into mechanical energy in a
a. motor
b. generator
c. transformer
d. battery |
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Definition
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Term
Batteries produce electricity from
a. electric charges
b. mechanical energy
c. chemical reactions
d. electromagnetic waves |
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Definition
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Term
Mechanical energy is converted into electrical energy in a
a. generator
b. motor
c. galvanometer
d. commutator |
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Definition
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Term
A substance that does not transmit light is
a. Opaque
b. Polarized
c. Transparent
d. Translucent |
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Definition
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Term
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Definition
1. The switch controls the electric current.
2. The second battery will send more power through the circuit.
3. The second light bulb will reduce the power and the both light bulbs will be dimmer. |
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Term
All of the following are renewable resources except
a. Solar Energy
b. Wind Energy
c. Coal
d. Geothermal Energy |
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Definition
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Term
| Explain why the dry end of a metal spoon sitting in hot water feels warm but a wooden spoon does not. |
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Definition
Metal conducts heat 500 times better than wood.
Metal is a conductor, Wood is an insulator. |
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Term
Which sentence is true about coal as an energy source?
a. It produces less air pollution than other fossil fuels.
b. It is difficult to transport.
c. It is the least plentiful fossil fuel in the United States.
d. It provides a lot of energy when burned. |
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Definition
| D. It provides a lot of energy when burned. |
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Term
| Predict why your blanket keeps you warmer at night than just your sheet. Explain your prediction in terms of exothermic and endothermic processes. |
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Definition
The blanket is thicker than the sheet so it traps more of your body heat.
It is endothermic process because it causes the absorbtion of heat. |
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Term
| If you pop corn in a microwave, on the stove, and in a hot air popper, which of these methods is an example of conduction, which is convection, and which is radiation? |
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Definition
On the Stove - Conduction
In Hot Air Popper - Convection
Microwave - Radiation |
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