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100
Positively charged particles in an atom
Homeostasis
100
Negatively charged particles in an atom
Electron
100
Positively charged particles in an atom
Proton
100
The building blocks of matter
Atom
100
Compound in which the atoms are held together by covalent bonds
Molecule
200
The group receiving the factor being tested
Expierimental Group
200
The factor tested and it affects the expierement outcome.
Independent variable
200
Group not receiving factor being tested
Control Group
200
Attractive forces of negative an positive regions that hold molecules together
Van der Waals force
200
Weak interaction of hydrogen atom & flurine, oxygen or nitrogen atom
Hydrogen bond
300
Property of having to oppisite poles, or ends of oppositly charged regions.
Polarity
300
Water forms hydrogen bonds with molecules or other surfaces.
Adhesion
300
Result of adhesion to the walls of containers that move the water molecules up
Capillary Action
300
Electrons travel around the nucleus of an atom in these
Energy Levels
300
Attraction of the atoms that make up water allows the surface to support
Surface Tension
400
Electrical attraction between two oppositly charged atoms or groups of atoms
Ionic Bond
400
Pure substance formed when 2 or more different elements combine
Compound
400
chemical bond that forms when electrons are shared
Covalent Bond
400
Homogeneous mixture formed when a substance is dissolved in another substance
Solution
400
any change in an organism's internal or external enviroment that causes the organism to react
Stimulus
500
Atom that is - or + charged because it has lost or gained 1 or more electrons
Ion
500
energy requiring processby which atoms or groups of atoms in substances are changed into different substances
Chemical Reaction
500
small compounds that are made of C, N, O, H & sometimes S
Amino Acid
500
compounds made of C, H & O in a ratio of one O & 2 H for each C
Carbohydrate
500
along with glycerol and other components, these make up lipids
Fatty Acid