Energy
A measure of the amount of matter in a given object
What is mass
The most basic building block of matter
What is an atom
A change in an objects shape, state or form
What is a physical change
color, shape, size are all examples of
What is physical properties
a reaction in which the surrounding environment increases in thermal energy
What is exothermic reaction
Groups of two or more atoms held together by chemical bonds
What is a molecule
What is the monomer that makes up nucleic acids? (bonus: list the parts of the monomer)
nucleotides
Bonus: sugar, phosphate, nitrogen base
a pure substance made of two or more elements
What is a compound
A change in which energy is taken in
What is endothermic change
Which state of matter has the least amount of energy? Which has the most?
solid, gas
A change where energy is given off
What is exothermic change
What is it called when a solid goes directly to a gas?
sublimation
two or more substances, elements, compounds or both that are together in the same place but not chemically combined and you can see the individual parts
What is a heterogeneous mixture
States that matter can not be created or destroyed
What is the law of conservation of mass.