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Matter

Grade 5 Science Inspire

TermDefinition
Mass the amount of matter in an object, measured with a pan balance and gram weights
Volume the amount of space an object takes up, can be measured with graduated cylinder and milliliter (mL) larger objects have a greater volume
Density the amount of matter in a certain volume, found by dividing the mass of an object by its volume, less dense objects float
Buoyancy the upward push of a liquid or gas on an object placed on it, ability to float
Weight the gravitational pull on an object, objects with a large mass usually weigh a lot
Matter anything that has mass and takes up space, three common forms of matter are solids, liquids, and gases
Physical Properties can be observed without changing the kind of matter (ex. Color, texture, size)
Chemical Properties cannot be observed without changing the kind of matter (ex. Acidity, Corrosion, Combustion)
Solution is formed when a materials dissovles. Salt and sugar dissolves in water
Element a pure substance that cannot be broken down (ex. Aluminum, Helium, Cooper)
Compound combination of two or more elements (Water, Salt)
Atom the smallest unit of an element
Molecule a particle that contains more than one atom joined together
Combustion an explosion
Corrosion rusting. Like if you leave metal outside it turns a rusty color and an fall apart.
Acidity If you pour acid on a material the material will bubble and change chemically
Created by: jpecorella