Exam Questions and CORRECT Answers
Scientific Method - CORRECT ANSWER - 1. Question
2. Research
3. Hypothesis
4. Experiment
5. Analyze and Conclude
Inductive Reasoning - CORRECT ANSWER - Many individual facts that lead to a general
conclusion
Method of discovery
Deductive Reasoning - CORRECT ANSWER - If this..... Then that; general to specific
Method of verification
Experiment qualifications - CORRECT ANSWER - -testable; not magic
-one prediction at a time
-one variable at a time
-must have controls (non-altered group)
-quantitative, not qualitative
-large sample size
Natural Selection - CORRECT ANSWER - maintains inherited characteristics (genes) that
help the individual survive and thrive
, Evolution - CORRECT ANSWER - Change over time
Variation arises among individuals
Variation is then inherited
Elements - CORRECT ANSWER - unable to divide and still be the same thing
mass= protons+neutrons+electrons\
atomic # = # of protons
molecule - CORRECT ANSWER - 2 or more like atoms held together with chemical bond
compound - CORRECT ANSWER - 2 or more different atoms held together with a
chemical bond
Covalent Bond - CORRECT ANSWER - strongest, most common, electrically neutral,
shares electrons (oxygen to hydrogen in H2O)
Ionic Bond - CORRECT ANSWER - loss or gain of electron from ions to form a stable
compound (NaCl)
Water Properties - CORRECT ANSWER - -Cohesive because of hydrogen bonds
-Surface tension
-Adhesion
-sticks to slightly charged surfaces
-takes alot of energy to heat up or evaporate
Hydrophobic - CORRECT ANSWER - water fearing
Hydrophilic - CORRECT ANSWER - molecules that are attracted to water