First Five 9/9

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First Five 9/9

• Schedule
• First Five
• Metric Notes
• Metric practice
• Measurement practice
• GQ How do I use the metric system to measure and
  convert?
• HW Syllabus Due Today
• Safety Contract Due Today
• Materials Due Today

• 1. What is the difference between the metric
  system of measurement and the English system?
• 2. How many centimeters are in a meter?
• 3. How many millimeters are in a centimeter?

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• Metric Conversions Ladder Method

T. Trimpe 2008 http//sciencespot.net/
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Ladder Method
KILO1000Units
HECTO100Units
DEKA10Units
DECI0.1Unit
CENTI0.01Unit
MILLI0.001Unit
4 km _________ m
How many jumps does it take?
4.
4000 m
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Conversion Practice
Try these conversions using the ladder method.
1000 mg _______ g 1 L _______ mL 160 cm
_______ mm 14 km _______ m 109 g _______ kg
250 m _______ km
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Metric Conversion Challenge
Write the correct abbreviation for each metric
unit. 1) Kilogram _____ 4) Milliliter _____
7) Kilometer _____ 2) Meter _____ 5)
Millimeter _____ 8) Centimeter _____ 3) Gram
_____ 6) Liter _____ 9) Milligram _____ Try
these conversions, using the ladder method. 10)
2000 mg _______ g 15) 5 L _______ mL 20) 16
cm _______ mm 11) 104 km _______ m 16) 198
g _______ kg 21) 2500 m _______ km 12) 480
cm _____ m 17) 75 mL _____ L 22) 65 g
_____ mg 13) 5.6 kg _____ g 18) 50 cm _____
m 23) 6.3 cm _____ mm 14) 8 mm _____ cm
19) 5.6 m _____ cm 24) 120 mg _____ g
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First Five 9/10

• Schedule
• First Five
• Measurement tools
• Wrap up
• GQ How do you use the tools of science?
• HW Metric Wkst Due Wednesday

1. Make a list of all the scientific tools you know.
2. What is the meaning of the word increment?

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Scales Notes!
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Find the following tool
What is this called?
Graduated Cylinder
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The Graduated Cylinder

1. Sketch a picture of the small graduated cylinder
2. What are the units this tool measures?
3. What are the increments?
4. How do you read the level of water?

Meniscus
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Practice Reading Volume

• Small Graduated Cylinder measurement.
• 2. Large Graduated Cylinder Measurement.

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Find the following tool
What is this called?
Ruler
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The Metric Ruler

1. Sketch a picture of the ruler
2. What are the units this tool measures? What do
   we measure with in science?
3. What are the increments?
4. How do you read the length of an object?

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Practice Reading Ruler

1. Bean
2. Piece of Paper
3. Straw
4. Marshmallow (long way)
5. Dropper

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Find the following tool
What is this called?
Spring Scale
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The Spring Scale

1. Sketch the spring scale.
2. What are the units this tool measures?
3. What are the increments?
4. How do you read the force of an object?

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Practice Reading a Spring Scale

• 1. Attach the spring scale to the block and pull
  it slowly. Make a measurement of the force.

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Find the following tool
What is this called?
Beaker
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The Beaker

1. Sketch the beaker.
2. What are the units this tool measures?
3. What are the increments?
4. How do you read the volume of a liquid?
5. Is it more or less accurate than the graduated
   cylinder? Why?

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Practice Reading a Beaker

• 1. Beaker

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Find the following tool
What is this called?
Thermometer
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The Thermometer

1. Sketch the thermometer.
2. What are the units this tool measures? What do
   we measure with in science?
3. What are the increments?
4. How do you read the temperature?

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Practice Reading a Thermometer

• 1. Thermometer