1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Measure- ment Graphing Scientific Method Definitions Miscellanious

2. 1m = __________cm

3. 100 cm

4. 300cL= _______mL

5. 3,000mL

6. 526Kg= ______g

7. 526,000g

8. The label on a bottle of Pepsi indicates the bottle contains 895 mL of soft drink. How many liters of Pepsi are in the bottle?

9. 0.895 L

10. A beaker contains 0.48 L of acetic acid. What is the volume of this liquid in milliliters?

11. 480mL

12. Name the three types of graph used most often in science

13. Line, bar, pie

14. What percentage of human blood is NOT red blood cells?

15. 57

16. Which method of transportation is used most by adults?

17. Bus

18. What is the number of adults that do not use a vehicle as their method of transportation?

19. 9

20. Determine the number of grams of sugar that will dissolve in 100 grams of water at 80 o C

21. 400g

22. A possible solution to a problem, educated guess

23. hypothesis

24. When designing an experiment, what is the first step?

25. Stating the problem

26. In this step the scientist records observations by making charts and graphs

27. Analyzing data

28. What step do you return to if your conclusion does not support your hypothesis?

29. Forming a Hypothesis

30. In an experiment to determine whether the popping of popcorn is affected b the temperature at which it is stored, counting the popped kernels is an example of ? a.Conclustion b.Control c.Observation d.hypothesis

31. observation

32. Factor that does NOT change in an experiment

33. constant

34. An explanation of how and why a natural phenomenon behaves the way it does

35. Scientific theory

36. Standard by which the test results can be compared

37. control

38. Carrie did a study to compare the amount of matter in different types of vegetables. What is Carrie measuring?

39. mass

40. April performed an experiment that involved various liquids. In the experiment, she had to determine how much space was occupied by each liquid. What was April trying to determine?

41. volume

42. What is the symbol for centimeter?

43. cm

44. Lincoln is measuring the dimensions of his office. If he measures the distance from one end of a wall to the other, what is he measuring?

45. length

46. Modern version of the metric system

47. SI

48. One one-thousandth is expressed by what prefix?

49. milli

50. The students used correct lab practice when handling samples of pond water. Which practice is NOT an example of correct lab practice? A.Washing hands before and after each lab session B.Wearing disposable gloves C.Discarding samples down the drain D.Disinfecting the lab countertop before and after each lab session

51. B. Discarding samples down the drain

52. You are testing to see how caffeine effects the heart rate of water flees. Two groups of water flees were tested. Group one received 300mg of caffeine and group two received no caffeine. The water temperature was kept at 20 degrees Celsius for both groups. –Independent variable –Dependent variable –Constant –control

53. You are testing to see how caffeine effects the heart rate of water flees. Two groups of water flees were tested. Group one received 300mg of caffeine and group two received no caffeine. The water temperature was kept at 20 degrees celcius for both groups. –Independent variable - caffeine –Dependent variable - heartbeat –Constant – water temp, pop size –Control – group 2