Metric System Microscope

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Presentation transcript:

Metric System Microscope Tools of Science Metric System Microscope

The Metric System International system of measurement Used to measure Length Meter Volume Liter Mass Gram Temperature Celsius

Metric Conversions Kilo Hecto Deca UNIT Deci Centi Mili 103 102 101 10-1 10-2 10-3 Start with the unit that you have and count left or right the number of spaces to move the decimal. For example…. If you have one meter as your “unit” and you want to know how many millimeters…. Count 3 spaces to the left 1.0 Meters = 1,000.00 millimeters

METRIC CONVERSIONS Kilo Hecto Deca UNIT Deci Centi Mili 103 102 101 10-1 10-2 10-3 G: Mass L: Volume M: Length C: Temperature Do the following conversions… 1000 mL = ? L 0.00056 kg = ? G 25.567 m = ? Dm 0.05 ml = ? L

Microscope Compound vs Electron Microscope Magnification calculations What’s the main difference Resolving power Magnification calculations Multiply Eyepiece X objective) Function of the various parts… Copy Table 1 from lab into notebook

Microscope Compound light microscope Electron Microscopes Light passes through the specimen and uses 2 lens to form an image, magnifies up to about 1000 times. -Magnification: How much larger an image is -Resolving power: ability to distinguish two objects that are close together from one another Electron Microscopes use beams of electrons to produce the image

Compound Microscope Parts

6 Steps of Scientific Method Identify the purpose of your research Gather background information How? Form Hypothesis Conduct experiment Data Analyze data Form conclusions

Scientific Method What is the purpose of the PRACTICE Control group (group not treated) Experimental group (treated group) Independent variable (what you change or do) Dependent variable (what you measure) PRACTICE

TEST REVIEW Metric System Scientific Method Microscope Memorize the table in the notes Know prefixes Know values of prefixes Know how to do conversions Scientific Method Independent (“if” part of hypothesis) / Dependent variable (“Then” part of hypothesis) Control / Experimental group Hypothesis Conclusion Microscope Parts Magnification calculations