6 terms

Science - Unit 1, Vocabulary, Lesson 1 Measurement

metric system

a system of measurement based on units of ten; used in most countries and in all scientic work

length

the number of units that fit along one edge of an object

area

the number of unit squares that fit inside a surface

density

the amount of matter in a given space; in the scientific terms, density is the amount of mass in a unit of volume.

weight

the measure of the pull of gravity between an object and earth.

gravity

a force of attraction, or pull, between all objects.