This form of energy involves the transfer of heat.
What is thermal.
100
This is what a wave's energy travels through.
What is a medium.
100
Electromagnetic energy acts like both a _______ and a ______.
What is particle and wave.
200
This includes both the speed of an object and its direction.
What is velocity.
200
Finish this sentence: Objects in motion...
What is...stay in motion unless acted on by an unbalanced force.
200
This form of energy is stored in the bonds of the molecules in, for example, food or coal.
What is chemical.
200
These are the 3 types of mechanical waves.
What are surface, longitudinal, and transverse.
200
Examples of this type of energy include microwaves, radar, and WiFi.
What is radio waves.
300
This is used to determine if an object is in motion.
What is a frame of reference.
300
This type of force always slows or stops motion.
What is friction.
300
Energy used to smash rocks into little tiny pieces this form.
What is mechanical.
300
Measure this distance to determine the amplitude and intensity of a wave.
What is the distance from equilibrium to a crest or trough.
300
This is the order of the electromagnetic spectrum from longest to shortest wavelengths.
What is radio, infrared, visible light, ultraviolet, x-rays, and gamma rays
400
A car traveling 1000 miles in 20 hours traveled at this average speed.
What is 50 miles / hour.
400
A flower pot falls off of a shelf in the garage, hitting Noah on the head and breaking. The pot applied a force of 5N downwards on Noah's head. According to Newton's 3rd Law, what also occurred? Include the law and an explanation.
What is ... Newton's 3rd law states that for every action, there is an equal and opposite reaction. Noah's head applied 5N of force upwards on the flower pot. That is why it broke.
400
When Uranium atoms are blasted by neutrons, splitting them apart and releasing vast amounts of energy which is then eventually used to move electrons through a wire, _________energy is being converted to _________ _________ energy.
What is nuclear to electrical.
400
______ or _______ are the units for frequency and _____ are the units for intensity.
What is Hertz or waves per second and decibels.
400
This is the order of the colors of visible light, from shortest to longest wavelengths.
What is violet, indigo, blue, green, yellow, orange, red
500
A runner maintains a speed of 5 meters per second as she turns a corner. Is she accelerating? Explain your answer.
What is ... yes, because acceleration is a change in velocity, which is either a change in speed or direction. Because the runner changed direction, she is accelerating.
500
A rocket accelerates at a rate of 30 m / s after a force of 6000 N is applied to it. What is the mass of the rocket?
What is 200 kg.
500
Describe the steps involved in converting coal to electricity.
What is
1. pulverize the coal
2. Heat it in a blast furnace
3. Boil water to make steam
4. Use steam to spin the turbine blades
5. Spin the shaft in the electromagnetic generator, causing electrons to move.
500
A sound wave is traveling at a speed of 400 m/s. The distance between two consecutive crests is 0.4 meters. What is the frequency?
What is 1000 waves / second, or 1000 Hz
500
This is the speed that all electromagnetic waves travel at (in a vacuum), in meters per second.