Science
A person who studies things that can be observed, measured, & tested
Scientist
Name the 3 states of matter
Solid, Liquid, Gas
What unit forms everything in the world, when combined they form molecules
Atoms
The measure of the amounts of salt in water
Salinity
What is added to food in order to keep it fresh
Preservatives
How much of something there is
Mass
What 2 properties describe matter?
Physical & Chemical
Grouping things together according to their similar characteristics
Classification
When a substance does not dissolve within another i=the mixture is called a
Suspension
What organization oversees the the use of additives in food?
FDA
how much space matter takes up
Volume
A measurement of how strongly a liquids molecules are attracted to each other?
Viscosity
What liquid is known as the universal solvent
Water
The measure of how much solute can be dissolved in a solvent
Solubility
The measure of the amount of energy needed to raise temperature of one gram of water by one degree Celsius
Calorie
The abillity of matter to float
buoyancy
What causes gas to take up more space
Warm temperature
When you combine 2 or more substances it forms a
Mixture
A substance that helps keep another substance suspended within it
Emulsifier
What 3 types of molecules are in our foods
Carbohydrates, Fats, Proteins
The fact that matter does not go away is a law, what is it called
The law of the conservation of mass
What is it called when a substance changes from one physical state to another
Phase change
Whipped cream is known as what kind of substance
foam
What are 3 steps to water treatment
Sedimentation, Filtering, Chemical treatment
The reaction when yeast reacts with sugar and starch creating gas
Fermentation