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Physical Science 3

Final Exam

density an object that will sink in water if its tiny particles are close together
electric a form of energy that consists of a flow of electric charge through a conductor
wavelength the distance between a point on one wave and the identical point on the next wave
pitch is the highness or lowness of a sound
frequency a measure of the number of waves that pass a point in a second
force a push or pull that causes an object to move or stop or change direction
varible a condition or a factor that changes in an investigation so the effects can be observed
air resistance a force that opposes the motion of an object through the air
safety goggles eyewear that protects against splashes
spring scale an instrument used to measure the pull of gravity on a object
Hot plate an instrument used to heat liquids for scientific experiment
grams milligrams kilograms the unit of measure
mirror a tool used to investigate reflection
pulley is a simple machine made of a rope or chain and a grooved wheel
reliability accuracy of the results
Buoyancy the ability to float
solubility the ability to dissolve in the substance
mass the amount of matter in a substance
conduct electricity the ability to allow electricity to flow through it
microscope that uses a collection of lenses to magnify small objects
Created by: malmari102