E1 Physical Science Flashcards
Matter
anything that has mass and takes up space
Mass
a measure of the amount of matter in a object
Volume
a measure of how much space an objecttakes up.
Weight
a force of gravity between Earth and a object
Density
a measure of how tightly packed the matter in an object is
conduct
the passing of heat through a material while the material itself stays in place
insulate
to prevent from passing through
Scientific Meausurement
amount of matter in an object.
buoyancy
the upward force of fluids on a object
fluid
a substance that countinuasly flows under sheer stress
resist
to withstand action or affect
displace
to remove from the usual or proper place
principle
a law or fact of nature that explains how something works or why something happens
submerge
to make (someone or something) go under the surface of water or some other liquid
neutral
a state in which power is equal; not positive or negative
hover
to be in an undecided or uncertain state to remain floating over a place or object
mold
to press into shape
hull
the frame or body of a ship,flying boat or airship
cavity
a hollow place
buoyant force
any gas object getting an upper push
evaporate
to change from a liquid to gas
condense
to change from a gas to a liquid
melt
to change from a solid to liquid
water vapor
the gas state of water
freeze
to change from liquid to solid
element
A pure substance that cannot be broken down into any simpler substances
compound
Any substance that is formed by the chemical combination of two or more elements and acts like a single substance
atom
The smallest unit of an element that retains the properties of that element
proton
A particle in the nucleus of an atom that carries one unit of positive electric charge
neutron
A particle in the nucleus of an atom that has no net electric charge
electron
A particle in the space out side the nucleus of an atom that carries one unit of negative electric charge
nucleus
A dense structure inside the cell
molecule
A particle that contains more than one atom joined together