Spring 2015 Review Sheet Answers Scientific Method and Measurement: 1. Define the following: Manipulated variable - the things that are being compared or tested in the experiment Responding variable - what you are counting or measuring in the experiment Control variable - the variable(s) that must stay the same in all parts of the experiment 2. Draw a graph from the data in the table below. Be sure include all parts of the graph. Be able to read and draw conclusions from a graph. Draw a graph from the data in the below. Be sure to include all parts of the graph. Number of People That Have Them Favorite pet Cat Dog Bird Lizard Number of people who have them 15 25 5 10 to table 30 25 Number of People That Have Them 20 15 10 5 0 cat dog bird lizard 3. Describe each step in the scientific method. What is an observation? An inference? Problem – the question you are trying to solve Observations – background information on the topic Hypothesis – a likely explanation for the problem (If…then…) Experiment – a test of the hypothesis Collect data – organize the data in a table and graph the results Conclusion – an explanation of what you learned and what you would do differently next time Observation is a fact Inference is your opinion of what might have happened. 4. What is the volume in the graduated cylinder in milliliters? 180ml 10.4ml 5. What is the mass on the triple beam balance in grams? 6. What is the length of each line in centimeters? _______________________________ ____ 7.3 cm 1 cm What is the length of each line in millimeters? _____ 12mm _______________ 35mm 20ml 144.1 g