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47 Cards in this Set

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Scale
a series of intervals used to measure something(such as temperature)
On a thermometer
Celsius
A scale for measuring temperature in which water freezes at 0 degrees and boils at 100 degrees
Fahrenheit
A scale for measuring temperature in which water freezes at 32 degrees and boils at 212 degrees.
Degree
A measure of temperature
Record
To write down
Liquid
A state in which the molecules of a material take the shape of the container they are in.
Solid
The state material is in when molecules are packed closely together and do not change shape.
Graph
A diagram that shows number-based data in graphical form.
Matter
Anything that takes up space and can be seen, heard, felt, smelled or tasted
Substance
A piece of material in nature
Melting Point
The temperature at which a solid becomes a liquid
Geothermal
Heat that comes from within the earth and is used to make energy
Geyser
Hot spring that spouts water into the air at different times.
Contraction
Changing in size to take up less space
Expansion
Changing in size to take up more space
Condense
To turn a gas into a liquid through cooling
Freeze
To cause material to go from a liquid to a solid through cold temperatures.
Evaporate
To turn from a liquid to a gas.
Sublimation
The act of changing directly form a solid to a gas.
Iodine
A nonmetallic element usually found in crystal form.
Arsenic
A poisonous element
Conduction
The way heat moves through a piece of solid material
Convention
The way heat moves through liquid material.
Radiation
The way that energy travels through space in waves.
Insulator
A material that is not a good conductor of heat.
Pressure
The force that comes from one object pushing against another object.
Force
A push or a pull that causes an object to change its state of motion.
Push
A force used to move an object in a direction away for the force.
Pull
A force used to move an object in a direction towards the force.
Motion
The movement of an object.
Object
Anything that can be seen or touched.
Weight
The force created by a body mass and the force of gravity combined.
Apply
To put something in contact with something
Gravity
The force that pulls an object toward the center of the earth.
Work
A measurement of how much force is needed to move an object a certain distance
Simple Machine
Invention that makes work easier by allowing less force to be used or by changing the direction of the force.
Lever
A simple machine that allows less force to be used to lift something or changes the direction of the force.
Fulcrum
The point on which a lever turns when moving an object.
Invention
A thing that was built by people to fill a need.
Wheel and Axle
A simple machine that allows less force to be used by turning a large wheel to move a small axle.
Pulley
A simple machine that is a type of wheel and axle and changes the direction of the force.
Incline Plane
A simple machine, such as a ramp, that allows less work to move an object up to a certain height.
Incline Plane
A simple machine, such as a ramp, that allows less work to move an object up to a certain height.
Wedge
A simple machine that combines two inclined planes back to back and splits a single force in two directions.
Screw
A simple machine in the shape of a nail with grooves winding down the sides.
Jack
A simple machine often made of screws and levers that is used to lift heavy objects.
Rig
A long board used to support someone doing work.