SCIENTIFIC METHOD AND METRIC SYSTEM REVIEW BY MRS

SCIENTIFIC METHOD AND METRIC SYSTEM REVIEW BY MRS. KEENE TEST 10/05/2016

NAME THE SIX ELEMENTS OF THE SCIENTIFIC METHOD Observation Question? ? Conclusions Hypothesis Analysis Experiment

CREATE A MNEMONIC DEVICE TO HELP YOU REMEMBER THE ELEMENTS OF THE SCIENTIFIC METHOD. • Old • Queen • Observatio n • Hildy • Question • Eats • Hypothesis • Awesome • Experiment • Chocolate • Analysis • Conclusion

One guppy is in a 5 k. L fish tank another is in a 10 k. L tank, the third is in a 15 k. L tank. The guppy’s length is measured once a week for 20 weeks. What is the Independent Variable? Volume of water in the tank. What is the Dependent Variable? Size of the guppy. What are the Controlled Variables? Time, food, temperature…. . All other elements that need to remain constants.

HERE’S A QUESTION COME UP WITH A HYPOTHESIS • Your Grandmother tells you that placing your batteries in the fridge, they will make them last longer. – Come up with a hypothesis and the steps you would use to conduct your experiment. Independent Variable Dependent Variable Controls

INFERENCE OR OBSERVATION ? 1. Every outfit my brother wears is blue. 2. Blue must be my brothers favorite color. 3. It is 32 degrees outside. 4. It is going to snow tonight Answers: 1. Observation 2. Inference 3. Observation 4. Inference

WHAT DO THE FOLLOWING MEASUREMENTS MEASURE? • Kilometer • Gram • Milliliter • Distance • Mass • Volume

WHAT IS THE MASS OF THE UNKNOWN OBJECT? A. 443. 5 g B. 443 g C. 440. 3 g D. 440. 35 g A

WHICH LINE SHOULD YOU USE TO MEASURE VOLUME? A OR B A B B What is the name of this line? The Meniscus

FIRST WHAT VOLUME DOES THE MINOR GRID LINES REPRESENT FOR EACH GRADUATED CYLINDER A B C D E

AND THE ANSWERS ARE…. A B 1 m. L C 1 m. L E D 10 m. L 5 m. L 0. 1 m. L

READ EACH GRADUATED CYLINDER AND WRITE THE AMOUNT. BE SURE TO INCLUDE ML IN YOUR ANSWER. A B C D E

AND THE VOLUME IN THE CYLINDERS ARE…. 37 m. L A 37 m. L B 40 m. L C 65 m. L D 2. 3 m. L E

CONVERT THE FOLLOWING • 8. 0 cm ______mm • 8. 0 cm 80 mm • 625 cm ______ m • 625 cm 0. 625 m • 250 d. L ______L • 250 d. L 25 L • 73 mm _____km • 73 mm 0. 000073 km • 0. 055 g _____ kg • 3250 c. L _____da. L • 0. 055 g 55 mg • 2. 287 L ____ m. L • 3250 c. L 3. 25 da. L • 2. 287 L 2287 m. L