Chopping wood
What is a physical change?
substances that are made up of only one type of atom
Difficult or impossible to see different parts
What is a homogenous mixture?
Amount of matter in an object
What is Mass?
Characteristics that describe something's ability to become something else
What are chemical properties?
Represented by a chemical formula
what is a compound?
a bowl of cereal
What is an example of a heterogenous mixture?
Force of gravity causes a change
What affects weight?
What is a chemical change?
Atoms combine through a chemical bond to form extended structures
What is a molecule?
Two or more substances in the same place that are not chemically bonded
What is a mixture?
L*W*H or discplacement
How to calculate volume?
Sublimation
What is a physical property?
C2H6O, ethanol.
what is an example of a chemical formula?
Separation of liquids by boiling them
What is distillation?
Mass divided by volume
What is the formula for density
Malleability
Physical property
Basic structure is a positively charged center with negatively charged particles circling around the center.
What is the structure of atoms?
Honey
What is a homogenous mixture?
Inversely related to density (Less dense as what inc?)
What is temperatures relation to density?