Biology Sol Review

Bio SOL * Safety * Rules in Lab- wear goggles, no food, drinks, gum, and candy in lab, no open-toed shoes, no chemicals or equipment can be removed from lab, teacher is absolute authority, contact lenses aren’t recommended, never hear a liquid in a closed container, stay out of prep room * Safety Equipment- shower and sinks * Scientific Investigation * Scientific Method * Observing a problem: variable-something that can change or vary, independent variable- the variable that is deliberately changed, dependent variable- variable that is changed as a result of changing the independent * Constructing a Hypothesis: a variable of interest must be selected, then you must express what you think will be the effect of that variable you will deliberately change on the variable you expect to respond (a prediction), If _______(IV increases/decreases), then _______ (DV increases/decreases) * Control: what isn’t changed, an experiment with constants * Constants: factor that might affect an experiment but is kept from during so (SAME) * Conclusion: written in paragraph form, what purpose of experiment?, is hypothesis supported or refuted?, what do results mean?, what is reason for results?, was any new info discovered?, any sources of error?, how could this exp be improved?, did something go wrong? * Hypothesis vs. Theory * Hypothesis- educated guess * Theory- when enough experimental data to support a hypothesis * Experimental Data * Independent Variable- the variable that you change * Dependent Variable- stays the same * Control- what isn’t changed, an experiment with constants * Graphs- read and interpret, trends, IV on x, DV on y, line best fit * Quantitative Data- observations involving number or quantity * Qualitative Data- when using senses to make observations * Conclusion- written in paragraph