Chapter 1 - Part 1
An organized way of gathering and analyzing evidence about the natural world
What is SCIENCE
A scientific explanation for a set of observations that can be tested in ways that support or reject it
What is a HYPOTHESIS
The process by which organisms keep everything inside their bodies within certain limits
What is HOMEOSTASIS?
In a solution, the substance being dissolved
What is SOLUTE
A substance that speeds up the rate of a chemical reaction
What is CATALYST
The act of noticing and describing events or processes in a careful, orderly way
What is OBSERVATION
The responding variable in an experiment
What is DEPENDENT VARIABLE
The three particles that make up atoms
What are ELECTRONS, PROTONS, and NEUTRONS
The attraction between molecules of different substances
What is ADHESION
The elements that enter into a chemical reaction
What is REACTANTS
A well-tested explanation that unifies a broad range of observations and hypotheses
What is SCIENTIFIC THEORY
The manipulated variable in an experiment
What is INDEPENDENT VARIABLE
The chemical composition of a water molecule
What is ONE atom of OXYGEN and TWO atoms of HYDROGEN
The attraction between molecules of the same substance
What is COHESION
The elements or compounds produced by a chemical reaction
What are PRODUCTS
A logical interpretation based on what scientists already know
What is INFERENCE
In an experiment, the group exposed to the same conditions as the experimental group except for one independent variable
What is CONTROL GROUP
A mixture in which the substances are evenly spread out
What is SOLUTION
Proteins are made of smaller units called ________
What are AMINO ACIDS
The macromolecules that control the rate of reactions and regulate cell processes
What are PROTEINS
The information gathered during an experiment
What is DATA
A point of view that is personal rather than scientific
What is BIAS
In a solution, the substance that causes the dissolving
What is SOLVENT
The four major groups of macromolecules
What are LIPIDS, CARBOHYDRATES, PROTEINS, NUCLEIC ACIDS
The type of chemical bonds that involves sharing of electrons
What are COVALENT BONDS