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PS4
Final Exam
Term | Definition |
---|---|
Buoyancy | the ability to float |
mixtures | two or more substances that do not form another substances |
mass | the amount of matter that is in an object |
work | what occurs when forces move an object over a distance |
motion | movement of an object |
friction | the force that resists motion when two surfaces rub against each other |
position | the location of an object |
force | a push or pull that causes an object to move stop or change direction |
atoms | tiny particles that make up matter |
ice | the solid state of water |
matter | takes up space and has weight |
gas | the state of matter that has no definite volume or shape |
water vapor | the gas state of water |
solid | state of matter that has a definite size and shape with particles that are close together |
liquid | the state of matter that has a definite volume and takes up the shape of its container |
condensation | the change in the water form water vapor to a liquid |
pull | a force that moves something closer |
pulley | a simple machine made of a rope or chain and grooved wheel |
variable | a condition or factor that changes in an investigation so the effects can be odserved |
air resistance | a force that opposes the motion of an object through the air |
push | a force that moves something away |
magnetism | the pulling force of a magnet |
gravity | a force that pulls objects towards each other |
experiment | a test conducted to discover something |
solutions | a mixture in which two or more substances dissolve in another |
energy is heat | clothing holds heat in our bodies |
energy runs machines | electricity is made with the energy from the sun |
volume | the amount of space taken up by an object |