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Stack #894001
Question | Answer |
---|---|
What is speed? | Distance over time. |
Motion in which the velocity of the moving object doesn't change. | Uniform. |
Anything that occupies space, has Substance, and under ordinary conditions can't be created/destroyed. | Matter. |
State of matter having definite shape. | Solid. |
Rate of motion in a particular direction. | Velocity. |
The mass per unit of a substance. | Density. |
The study of matter in motion. | Physics. |
The amount of material in an object. | Mass. |
Motion in which the velocity of a moving object changes. | Acceleration. |
The amount of space a substance occupies. | Volume. |
The length of a path an object has traveled. | Distance. |
The measurement of the pull of gravity upon any object. | Weight. |
The most basic unit of a substance. | Atom. |
Molecules of the same kind stick together. | Cohesion. |
Molecules of a different kind stick together. | Adhesion. |
A group of atoms linked together. | Molecule. |
Newton's first law of motion. | Inertia. |
Newton's second law of motion. | Acceleration. |
Newton's third law of motion. | Every action has an opposite and equal reaction. |
Middle of a first class lever. | Fulcrum. |
Middle of a second class lever. | Resistance. |
Middle of a third class lever. | Effort. |
M.A.= | Effort divided by resistance. |
Metric unit of force and weight. | Newton. |
The energy of motion. | Kinetic. |
Resistance caused by moving objects together. | Friction. |
English unit of work and energy. | Foot-pound. |
The ability to do work. | Energy. |
The force machines help us overcome. | Resistance. |
The force we apply to machines. | Effort. |
Stored energy. | Potential. |
Metric unit of work and energy. | Joule. |
Movement of an object by force. | Work. |
Rate of doing work. | Power. |
Most space between atoms. | Gas. |
Least space between atoms. | Solid. |
As volume decreases, pressure... | Increases. |
As temperature increases,volume... | Increases. |
As temperature increases, pressure... | Increases. |
Eight PSI added within pump equals *blank* PSI added within tire. | Eight. |
Scientists who study weather. | Meteorologists. |
Device that measure atmospheric pressure. | Barometer. |
Tendency of an object to float when it's in water. | Buoyancy. |
Device that measure height. | Altimeter. |
The scale of absolute temperature. | Kelvin. |
Simple device for moving liquids over obstacles without a pump. | Siphon. |