chapter 1 vocab

resonable guess that can be tested and is based on what is based on what iknown and what is observed

a variable that is not changed in an experiment

study of living systems and how they interact

use of science to help people in some way

variable that is changed in an experiment

factor that can be changed in an experiment

involves using knoledge and thinking skills to evaluate evidence and explanations

to draw a conclusion based on observation

study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change