physical science

Chapter 1

physical science

the study of mind and energy

Chemistry

the study of matter and how energy and how it changes

physics

the study of how energy acts with matter

Matter

Anything that has mass and takes up space

Mass

the amount of material an object has

unit

a known amount used for measuring

customary

ordinary

Metric system

system of measurement used used by scientists

Meterstick

a common tool for measuring length in the metric system

centimeter, cm

A metric until of measure that is 1-100 of a measure

millimeters , mm

A metric unit of measure that is 1-1,000 of a matter

kilometer, km

A metric unit of measure that is equal to 1,000 meters

Area

Amount of space the surface of an object takes up

weight

the measure of how hard gravity pulls on an object.

meniscus

the curved surface of a liquid

Displacement of water

method of measuring the volume of an irregularly shaped object

Density

A measure of how tightly the matter of a substance is packed into a given volume

Molecule

The smallest particle of a substance that has the same properties as the substance

Atom

The smallest particle of a substance that has the same properties as the substance

Gas

A form of matter that has no definite shape or volume

State of matter

The form that matter has solid, liquid or gas

plasma

A very hot gas made of particles that have an electric charge

Element

matter that has only one kind of atom