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Metrics 1. Metric Measurement. Metric Conversions. Graphing Basics. Experiment Design. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt. 1 pt.

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  1. Metrics 1 Metric Measurement Metric Conversions Graphing Basics Experiment Design 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt 1 pt

  2. Which country is credited for developing the metric system.

  3. France

  4. Which of the following are reasons why the metric system is used by every nation, except the U.S.? Answer YES or NO for each. “YES” means it is a good reason and “NO” means this is not a good reason or not the right reason. The Metric System is based on factors of 10; this means that when making metric conversions you just need to move the decimal point. The metric system is based off parts of the body, so it is fun to use. The metric system eliminates confusion when everyone uses it. A millimeter is very small, so it allows very precise measurements to be taken.

  5. A, C, and D are all reasons why the metric system is used, rather than the former English system, by other countries.

  6. What is the metric base unit for: Mass = ___________ b) Volume = __________ c) Length = __________

  7. Gram Liter Meter

  8. The __________ System is based on measurements of the Earth, while the ___________ System is based on random objects; usually parts of the human body.

  9. The __METRIC__ System is based on measurements of the Earth, while the __ENGLISH__ System is based on random objects; usually parts of the human body.

  10. T or F : The Metric System allows more precise measurements because the increments are smaller. T or F : The Metric System helped eliminate confusion and controversy that existed with the English System. T or F : The English System was well planned and thought through in its creation. T or F : Most countries currently use the English System of Measurement, while only science uses the Metric System.

  11. True True False: the creation of the English system was pretty random and not well planned. False: Pretty much every country uses the metric system except for the US AND science also uses the metric system.

  12. Measure each of the lines below: ---------------------------- in cm = in mm = b) --------- in cm = in mm = c) -------------------------------------------------- in cm = in mm =

  13. 4.2 cm which is = to 42 mm 1.3 cm which is = to 13 mm 7.5 cm which is = to 75 mm

  14. This is a snapshot of a metric ruler. What is the measurement for each of the arrows? A B C

  15. 2.5 cm which is equal to 25 mm B) 6.0 cm which is equal to 60 mm C) 8.1 cm which is equal to 81 cm

  16. a)Before you weigh anything on a triple beam balance, you must _____________ the scale. b) What is the mass of this object?

  17. Before using the triple beam balance, it must be ZEROED or CALIBRATED b) 62.5 grams

  18. What is the volume of the dinosaur?

  19. The volume of water before the dinosaur is in the water Is 4.8 mL. The volume of water after the dinosaur is in the water Is 5.6 mL. To get the volume of the dinosaur: 5.6 mL - 4.8 mL = 0.8 mL This method of volume measurement is called water displacement.

  20. What is the density of the object below? Show your work…don’t forget your units. Mass = 32 grams 4 cm 2 cm 2 cm B) Will this object sink or float in water?

  21. A) The volume = 4cm x 2cm x 2cm = 16cm3 Density = Mass / Volume SO…32grams / 16cm3 = 2 grams/cm3 B) The density of water = 1.0 g/mL This object’s density is greater than 1.0, so the object will sink.

  22. What is the number value for each of these metric prefixes? a) KILO = b) MILLI = c) CENTI =

  23. KILO = 1000X MILLI = 1/1000 or .001 CENTI = 1/100 or .01

  24. Fill in the following: 1 meter = _________ cm 1 kilogram = ________ grams 1 liter = _________ milliliters

  25. 100 1000 1000

  26. Fill in the stair stepper below: Hecto- Deka- deci-

  27. KILO- hecto- deka- BASE UNIT Deci- CENTI- MILLI-

  28. Convert the following: 0.058 kg = _________ g 2378 ml = _________ L 2.997 cm = _________ mm 5.295 km = _________ m 34.76 L = _________ cL

  29. Convert the following: 0.058 kg = __58__ g 2378 ml = __2.378__ L 2.997 cm = __29.97__ mm 5.295 m = __5295__ km 34.76 L = __3476__ cL

  30. Which is greater? Or are they equal? 500 mL or 50 L 2.5 cm or 25 mm 400 g or 4 kg 9.0 m or 900 cm

  31. 500 mL or 50 L; 50 L 2.5 cm or 25 mm; EQUAL 400 g or 4 kg; 4 kg 9.0 m or 900 cm; EQUAL

  32. For each of the examples below; identify if a BAR GRAPH or a LINE GRAPH would be best to display this data? You want to measure the height of a growing plant every day. You count the number of students wearing blue shirts vs red shirts vs white shirts. c) You are measuring the increase in temperature of a chemical reaction over time.

  33. Line Bar Line

  34. The independent variable is the change that is controlled by the experimenter and goes on the ____-axis. The dependent variable is the data being collected and it goes on the ____-axis

  35. Independent Variable = X-axis Dependent Variable = Y-axis

  36. For each of the following, identify the INDEPENDENT and DEPENDENT variables. You want to measure the height of a growing plant every day. You count the number of students wearing blue shirts vs red shirts vs white shirts. c) You drop boxes of different mass and time how long it takes them to fall.

  37. Independent Variable = every day Dependent Variable = plant height B) Independent Variable = shirt color Dependent Variable = # of shirts C) Independent Variable = mass of box Dependent Variable = time of fall

  38. In this graph: What is the independent variable? What are the units on the Y-axis? Does this graph show a direct, indirect or no relationship between the bear population and time?

  39. In this graph: What is the independent variable? YEARS b) What are the units on the Y-axis? POPULATION c) Does this graph show a direct, indirect or no relationship between the bear population and time? A DIRECT RELATIONSHIP; AS THE YEARS INCREASED, SO DID THE BEAR POPULATION.

  40. In this graph: What is the dependent variable? What are the units on the X-axis? Does this graph show a direct, indirect or no relationship between the number so species and time?

  41. In this graph: What is the dependent variable? # OF SPECIES b) What are the units on the X-axis? (YEARS) c) Does this graph show a direct, indirect or no relationship between the number so species and time? INDIRECT, AS TIME WENT ON, THE NUMBER OF SPECIES DECREASED.

  42. Before you begin a lab, you should gather ____________, which means you need to have knowledge about what your experiment is about.

  43. Background Information

  44. Before you start your lab you need to identify the __________ to your lab, which is in the form of a question AND you need to form a ___________, which is in the form of an if, then statement and is often called an “educated guess”.

  45. Before you start your lab you need to identify the _PROBLEM_ to your lab, which is in the form of a question AND you need to form a _HYPOTHESIS_, which is in the form of an if, then statement.

  46. In class, you are measuring the temperature of a chemical reaction over time. What is the independent variable and needs to be placed on the X-axis when graphed? What is the dependent variable and needs to be placed on the Y-axis when graphed?

  47. Independent Variable = Time Dependent Variable = Temperature

  48. In this experiment which measures the temperature of a chemical reaction over time, the temperature decreases as time went on. Which of the below graphs would show this? a) b) c)

  49. Correct Answer = B Since the temperature goes down as time goes on, the relationship is indirect.

  50. In our aluminum reactions lab, which surface area piece of foil had the fastest reaction rate? b) How could you tell by the slope of the line on the graph which surface area had the fastest reaction rate?

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