A potentially harmful gas produced by the decay of Uranium-238 found in soil.
What is Radon
Average speed is represented by what equation?
What is S=d/t
A compound machine is
what are 2 or more simple machines working together in one
The structure that sends signals to the brain is called
What is the cochlea
The buildup of excess electric charge is called
What is static electricity
This particle has a positive charge, is large and moves slowly.
What is a alpha ray.
How can friction on a water slide be reduced?
What is run a constant stream of water down the slide
Useful work output to work input
What is efficiency
What causes the sound of a guitar to get louder as it is played
what is resonance
Give an example of an insulator
Rubber
Wood
Plastic
The equation E=MC2 is also known as
What is the Theory of Relativity
Speeding up, slowing down, and changing direction is best described as
What is acceleration
The physical environment in which a wave travels
What is the medium
In addition to reflecting some light, every object
what is absorbs light
Electric charges that are opposite
What is attract one another
Who is credited with discovering the gamma ray
Who is Madam Curie
An object is in motion when
What is The object changes position relative to a stationary object
A periodic disturbance in a solid, liquid, or gas as energy is transferred through a medium
What is a wave
When light separates into different colors
what is dispersion
The region around a magnet where the magnetic force is exerted is known as its
what is the Magnetic Field
The change in the number of electrons in an atom is
What is Ionization
The SI Unit of Force
What is Newtons
An observed change in the frequency of a wave when the source or observer is moving
What is the doppler effect
What device uses sound waves to view organs in the body
What is an ultrasound
A _______ must be replaced after too much current causes it to melt
What is a fuse