Vocabulary Review

is the study of living things (p. 6)

the ways in which scientists follow steps to answer questions and solve pro

a possible explanation or answer to a question

tests only one factor at a time (control group and experimental group)

One factor that differs from the controlled experiment

a representation of an object or system

an explanation that ties together many facts, and hypotheses

a summary of many experiments results and observations

the application of science for practical purposes

magnifies small objects so we can see them (uses light)

magnifies tiny objects to a greater amount (uses electrons)

a measure of the size of a surface or region

a measure of the size of a region in 3D space

a measure of the amount of matter in an object

a measure of how hot (or cold) something is