Semester 1 Finals Review Mr. Gauck
Thursday – Chemical and Physical Changes States of Matter Precipitation Evaporation Density What is Matter Mixtures Chemical Changes Change at the molecular level (something new is created) Signs of chemical change Combustion (burning) Oxidation Digestion
Friday - Metric System Base 10 Basic units Length – meter Mass – kilogram Volume – mL Calculations Volume Regular (l x w x h) vs. Irregular (water displacement) Density Mass / volume Mean, Median, and Mode Tools of Measurement Graduated cylinder Beaker Length Meter stick Mass Triple beam balance
Monday - Energy Mechanical Radiant (Electromagnetic) Sound Chemical Heat (Thermal) Electric Nuclear
Tuesday - Scientific Method Steps Lab Question (problem – “I wonder…”) Research Hypothesis (“I think…”) Inferences Predictions Procedure Repeated trials Models Independent Variable Manipulated – “Cause” Dependent Variable Reaction – “Effect” Record data Data table Bar/line graph Conclusion (“My hypothesis was…”)