Light
Mechanical
Sound
Electrical
Thermal
100
Which of the following does NOT use a lense to refract light? A. Eye glasses B. Camera C. Mirror D. Telesccope
What is C. Mirror.
100
True or False: Every object in motion contains mechanical energy.
What is True.
100
What causes sound?
What is Vibrations of various objects.
100
Which of these is the BEST conductor of electricity? A. Glass rod B. Cotton string C. Plastic D. Copper penny
What is D. Copper penny.
100
True or False: Heat always flows from a cooler object to a hotter one.
What is False.
200
Unless acted upon, how does light travel? A. Bent at 50 degree angle B. Straight line C. Curved arch D. Light does not have a preferred angle.
What is B. Straight line.
200
What are the two forms of Mechanical energy?
What is Kinetic and Potential energy.
200
In which of these locations would sound not be heard? A. Outer Space B. Underwater C. Through a door D. On a bridge
What is A. Outer space.
200
In a ________ circuit, electricity has only one path in which to travel.
What is Series circuit.
200
________ occurs when an area of hot water rises to the top of a pot and gives off energy. A. Radiation B. Conduction C. Convection
What is C. Convection.
300
Visible light is made up of many colors of light. When all these colors are combined, they create what type of light?
What is White light.
300
What is the deference between Kinetic energy and potential energy?
What is Kinetic energy is energy in motion and potential energy is the energy stored.
300
Sound travels fastest through which of the following? A. Gas B. Liquid C. Solid
What is C. Solid
300
If a light bulb burns out in a parallel circuit what will happen to the other light bulbs in the same circuit?
What is they will stay on.
300
______ is when thermal energy is transferred from one solid object to another solid object through direct touching. A. Radiation B. Conduction C. Convection
What is B. Conduction.
400
What happens when light hits an object that it cannot pass through?
What is light is being reflected.
400
If there was a ball at the top of the hill, about to roll down what type of energy does the ball have?
What is Potential energy.
400
Areas where air molecules are pressed together are called what?
What is Compressions.
400
Students are experimenting with the flow of electricity in circuits. The teacher instructs them to wear rubber gloves during the experiment, why?
What is Rubber is an insulator and does not let electricity to pass through.
400
Heat from the sun heats the earth by: A. Radiation B. Conduction C. Convection
What is A. Radiation.
500
Scientist usually describe the range of radiant energy as a _______, or a series of energy bands.
What is spectrum.
500
Mechanical energy is the sum of what two forms of energy?
What is Kinetic and potential.
500
A sound wave's amplitude determines: A. How high the pitch is B. How loud the sound is
What is B. How loud the sound is.
500
What process causes electricity to flow through a circuit, completing its path so that an electric current can pass through?
What is Conductivity.
500
On a hot day, the sun causes the side walk to become very warm. How does the particles that make up the side walk change as the temperature increases? A. They move faster B. They move closer together C. their Kinetic energy decreases D. they move freely from place to place
What is A. The move faster
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