Chemistry Unit 1

Chemistry is the science that seeks to understand what ___ does by studying what ___ and ___ do

(a)  

A hypothesis is a tentative, ___ explanation of observations, experiments, or ___.

(a)  

gas to solid

(a)  

solid to gas

(a)  

A model is a method of (a)   objects. They can include mental pictures, drawings, or physical objects

A theory is a ___ and repeatedly ____ hypothesis that is generally accepted. In science a theory is ___.

(a)  

A theory becomes a law when it has been...

• proven

• an accurate truth in thousands experiments

• tested a lot

• obtained from hypotheses

A law provides the ___and a theory gives the ​___

(a)  

Matter is defined as anything that occupies___ and has ____

• area, volume

• a law, truth behind it

• space, mass

• mass, volume

A solid's atomic/molecular motion

• free to move relative to one another

• oscillation/vibration about fixed point

• is incompressible

• is definite