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Unit Conversions and Scientific Notation. Aug 20-21 2012. Metric Stairstep Chart. Do No: Draw the and label the Metic Step Chart in your notebook Match each number to its corresponding stair (based on the prefix). Kilo. Hecto. Match these:. Deka. 100. Meter Liter Gram. .01. .1.
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Unit Conversionsand Scientific Notation Aug 20-21 2012
Metric Stairstep Chart Do No: • Draw the and label the Metic Step Chart in your notebook • Match each number to its corresponding stair (based on the prefix) Kilo Hecto Match these: Deka 100 Meter Liter Gram .01 .1 Deci .001 Centi 1,000 milli 10 1
Metric Stairstep Chart Kilo 1,000 Hecto 100 Deka Meter Liter Gram Move decimal point to the LEFT 10 1 Deci .1 Centi .01 milli Move decimal point to the RIGHT .001
You try! Convert the following: • 47 centimeters to dekameters • 3.5 hectograms to milligrams • 0.002 liters to kiloliters
Scientific Notation • Writing any given number as a number between 1 and 10, multiplied by a power of 10 Write the following in scientific notation. Ex A: 23,6000,000 Ex B: 0.0000236 Write the following as an ordinary decimal. Ex C: 2.57 x 104 Ex D: 7.853 x 10-3
You try! Write the following in scientific notation. You try! Write the following as an ordinary decimal number. 1) 230 2) 53900 3) 0.0361 4) 0.0680 5) 3.26 6) 0.5821 7) 361000000 8) 2.3 x 103 9) 2.3 x 10-2 10) 5.64 x 105 11) 7.931 x 10-4 12) 9.97 x 100 13) 6.04 x 107 14) 4.215 x 10-1
What is the scientific method? process answers • A _________ that is used to find ________ to questions about the world around us Is there only one “scientific method”? • No, there are several versions of the scientific method. Some versions have more ______, while others may have only a few. However, they all begin with the identification of a ___________ or a __________to be answered based on observations of the world around us and provide an ____________ method for conductions an analyzing an experiment steps problem question organized
What is a hypothesis? educated guess • An ______________based on observations and your knowledge of the topic What is data? • ____________ gathered during an experiment information
Match the following phrases to the definitions on your flow chart. Be sure to read each description very carefully! Use PENCIL in case you make an error! Communicate the Results Form a Hypothesis Perform the Experiment Analyze the Data Modify the Experiment Create an Experiment Identify the Problem
Perform the Experiment Form a Hypothesis Analyze the Data Create an Experiment Communicate the Results Identify the Problem Modify the Experiment
Online Game • http://aspire.cosmic-ray.org/labs/scientific_method/sci_method_main.html
• Observation: Using one or more of your senses to collect data Fact vs Inference • An interpretation of an observation that is based on evidence or prior knowledge • What actually happens • Data: Facts, figures and other evidence gathered through observation