1. 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt ClassificationMeasurement Scientific Method VariablesVocabulary

2. A system that scientists use to compare characteristics of things

3. What is classification?

4. Both animals share the same color and the same food. AnimalColorLegsFood COWTri-color4Grass SHEEPWhite4Grass LIONYellow4Meat GOATTri-color4Grass

5. What are cows and goats??

6. Both vehicles have the same number of wheels, type of fuel, and no windows. tricyclecartrainwheelbarrow WindowsNoYes No PassengersNoYes No FuelNoYes No Wheels34Varies1

7. What are tricycles and wheelbarrows?.

8. These 3 characteristics are shared by cars and trains. tricyclecartrainwheelbarrow WindowsNoYes No PassengersYes No FuelNoYes No Wheels34Varies1

9. What are windows, passengers, and fuel?

10. A type of classification key that keeps dividing objects into two parts or branches such as BOYNOT A BOY SandalsNo Sandals earrings No earrings

11. What is a dichotomous key?

12. The standard unit for measuring DISTANCE in the metric system

13. What is a meter?

14. The standard unit used to measure VOLUME in the metric system

15. What is a liter?

16. This tool is used for measuring volume

17. What is a graduated cylinder?

18. What a gram measures

19. What is mass?

20. A tool used to measure mass

21. What is a triple beam balance?

22. Do repeated trial for this reason. Daily Double

23. How can we increase the validity of an experiment?

24. The first step of the scientific method

25. What is the problem?

26. A step-by-step plan to test a hypothesis

27. What is a procedure?

28. A prediction about the outcome of an experiment in the form of an If…then? statement

29. What is a hypothesis?

30. The five basic steps of the scientific method.

31. What is a problem, hypothesis, procedure, observations/data, and conclusion?

32. Factors in an experiment that can change

33. What is the a variable?

34. The variable that the experimenter changes on purpose, An controlled experiment should have only ONE of these variables

35. What is the Independent Variable?

36. If jellyfish are put in freshwater, then the jellyfish will die. It is the Independent Variable

37. What is the type of water?

38. The variable that is measured in the experiment The variable that changes as a result of the independent variable

39. What is the Dependent Variable?

40. If tennis balls are dropped from the different heights, then those dropped from the highest point will bounce the most. It is the Dependent Variable

41. What is how much (high) the tennis ball bounces.

42. Doing an experiment more than once to increase the validity of the data

43. What are repeated trials?

44. The act of using the 5 senses to take notice and gather information about the world around us.

45. What is observing?

46. A factor that remains the same in an experiment.

47. What is a constant ?

48. A picture, diagram, or other representation of something that cannot be directly observed.

49. What is a model?

50. An interpretation or an explanation for an observation.

51. What is an inference!