science test review

metric system

a system of measurement based on the number 10

International System of Units

the system of units (SI) used by scientists to measure the properties of matter

mass

A measure of the amount of matter in an object

weight

A measure of the force of gravity on an object

volume

The amount of space an object takes up or occupies

density

The measurement of how much mass of a substance is contained in a given volume

estimate

An approximation of a number based on reasonable assumptions

accuracy

how close a measurement is to the true value

Precision

a measure of how close a series of measurements are to one another

Measurement

a quantity that has both a number and a unit

Temperature

A measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object.

Time

the indefinite continued progress of existence and events in the past, present, and future regarded as a whole. Measured in seconds, minutes, hours, etc.

Meniscus

the curve at a liquid's surface by which one measures the volume of the liquid

Capacity

The amount of empty space in a container.

Meter

standard unit of length in SI

Liter

basic unit of volume for SI

Gram

basic unit of mass in SI

length

Distance between two points