What is Biofuels (biological energy)?

What is Biogas (biological fuel)?

What is Biomagnification (biological process)?

What is Bioaccumulation (biological process)?

What is an Algal Bloom (biological impact)?

What is Passive Transport (cell biology)?

What is Carbon Sequestration (biological)?

What is a Red Data Book?

What is Sex Determination (biological mechanism)?

What is AIDS (medical condition)?

What is Chemosynthesis (biological process)?

What is Parasitic Nutrition (feeding strategy)?

What is Nutrition (biological process)?

What is Active Transport (cell biology)?

What is Osmosis (biology)?

What is Diffusion (biological process)?

What is an Orbital (quantum mechanical electron region)?

What is an Orbit (Bohr's electron path)?

What is Dalton's Atomic Theory (early atomic model)?

What is Thomson's Model of Atom (plum pudding model)?

What is Rutherford's Model of Atom (nuclear model)?

What is Bohr's Model of Atom (planetary model)?

What is the Modern Atomic Theory (electron model)?

What is the Law of Multiple Proportions (elements combining in ratios)?

What is the Law of Constant Proportions (definite composition)?

What is the Law of Conservation of Mass (chemistry concept)?

What is Graham's Law of Diffusion (gas movement rate)?

What is the Ideal Gas Equation (PV=nRT)?

What is the Combined Gas Law (P, V, T relationship)?

What is Avogadro's Law (volume-mole relationship)?

What is Gay-Lussac's Law (pressure-temperature relationship)?

What is Charles's Law (volume-temperature relationship)?

What is Boyle's Law (pressure-volume relationship)?

What is a Real Gas (actual gas behavior)?

What is an Ideal Gas (theoretical gas behavior)?

What is a State Symbol (physical state in equation)?

What is a Skeleton Equation (unbalanced chemical equation)?

What is a Balanced Chemical Equation (equal atoms on both sides)?

What is a Chemical Equation (symbolic reaction representation)?

What is the Mole Concept (counting chemical units)?

What is Avogadro's Number (number of particles in a mole)?

What is Molar Mass (mass of one mole)?

What is Percent Yield (actual vs theoretical product)?

What is a Limiting Reagent (reactant used up first)?

What is an Empirical Formula (simplest atom ratio)?

What is a Molecular Formula (actual atom count)?

What is a Unit Cell (repeating crystal unit)?

What is a Crystal Lattice (ordered atomic arrangement)?

What is Intramolecular Forces (forces within molecules)?

What is Intermolecular Forces (forces between molecules)?