Biology Test 2

the study of matter and the changes it experiences

• proton

• chemistry

• matter

• atom

the physical stuff that makes up the universe

• chemistry

• atom

• neutron

• matter

basic building block of matter and the smallest individual particles of matter

• chemical change

• chemistry

• atom

• electron

_____ are located in the outermost level

an atom with the same number of electrons and protons is _____

an atom without the same number of electrons and protons is known as an ___

pure substances made of only one kind of atom

• elements

• atom

• proton

• matter

while matter is the material stuff of the universe, ____ is the immaterial stuff that gets things done

what are 5 types of energy

when bacteria move

• light energy

• mechanical energy

• chemical energy

• acoustic energy