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20 Cards in this Set
- Front
- Back
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the concentration of matter in an object; tightly or loosely packed
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density
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the amount of matter in something
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mass
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anything that has mass and takes up space
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matter
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a liquid mixture in which the particles of each substance are evenly mixed - like sugar dissolving into water
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solution
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a combination of 2 or more substances that do not chemically change
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mixture
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a complete pathway of conductors that allows electricty to flow through it
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electric circuit
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a system with many parts
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circuit
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a material that blocks energy from moving through
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insulator
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a material that allows energy to pass through
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conductor
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the force of attraction or repulsion some materials have on other materials
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magnetism
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properties that can be observed, measured, or changed
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physical properties
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energy caused by a vibrating object
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sound
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the energy of sunlight - it drives the water cycle
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solar energy
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the flow of electrical power or charge through a circuit
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electricity
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a smooth steady movement of liquid, gas, or electricity
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flow
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the movement of thermal energy from one place to another
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heat
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the bending of light rays when they pass through a substance
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refraction
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the light energy that bounces off objects
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reflection
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a push or pull that causes an object to move, stop, or change direction
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force
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the ability to cause changes in matter
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energy
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