Name:______________________________________________pd______________date________ What is Science? Study Guide Review Fill in the following Blanks 1. Information that is gathered during an experiment is called ________________________ 2. A proposed scientifically testable explanation for a set of observations____________________ 3. The variable that is changed in a controlled experiment _________________________________ 4. A well tested explanation that unifies a broad range of observations, laws and scientific principles. __________________________________. Types of Data. Fill in the table Type Quantitative Data Involves…. Example Qualitative True or False 5. _____________A conclusion should either prove or disprove your hypothesis 6. _____________A good question for an experiment would be: Putting fertilizer in the soil will help the plants to grow. 7. _____________It is ok to test more than one variable at a time during an experiment 8. _____________Data can be analyzed by drawing a graph 9. _____________If the hypothesis is not proven it is of no value Independent and Dependent Variables. Underline the independent variable and circle the dependent variable in the following. 10. Students were given different amounts of energy drink and their heart beats per minute were measured after doing jumping jacks. 11. The amount of worms was counted in different plots of land in the back of the school. 12. Did students’ scores increase when they received direct instruction compared to reading. Steps of the Scientific Method 13. On the lines provided, use the letters A-E to place the following steps of an experimental investigation in the correct order. ______________________________form a hypothesis ______________________________record and analyze results ______________________________draw a conclusion ______________________________ask a question _____________________________set up a controlled experiment Equipment Match the equipment to the function 14. _____measure precise volume of liquid 15. _____pick up small objects 16. ______cover the object placed on the microscope slide 17. ______transfer small quantity of liquids with suction 18. ______hold liquids and heat liquids Choose from the following: light microscope a. dropper b. cover slip c. beaker d. graduated cylinder e. forceps stereomicroscope SEM TEM 19. Magnify the surface of a pollen grain at 20,000x _________________________________ 20. View the eye of a dissected frog ________________________________ 21. View single celled pond organisms feeding at 100x ____________________________________ Conversions Convert the following. Try to fill in the mnemonic (sentence to remember) to help you with the conversions. 22. _______One meter is equal to a. 1000 mm b. 1.0 mm c. 10 km 23. 42.65 cL = ______________________L 25. 0.0023 m = _____________________cm d. 1.0 mL e. 1000 kg 24. 1.60 hg = _________________________mg 26. 78 kg =__________________________g Use > < = for the following 27. 0.008 g 0.800 cg 28. 61.2 mm 0.00612 m Answer the following questions from the text book. Place these on a separate sheet of paper. Page 28 #1 Page 31 #’s 1, 2, 4, 6, 7, 10, 20, 24 Page 32 #30 Use the following terms to help you analyze what the LINES tell about the data. You may need to use more than one in your answer. Fluctuate stabilize increase drop rise Page 33 #4 (Read about the research before answering the question. This goes with the graph) Page 819 – Look at the data table on this page, read the research above the table and answer the following question. NO QUESTIONS ARE FROM THE BOOK FOR THIS ONE. a. Where would you plot the data labeled Time (seconds)? Explain your answer.