Bell Ringer Sept. 24 th - Grab your folder and answer the following on your Bell Ringer sheet: Jason’s wife is sick. Jason works at a pharmacy. The drug that would cure Jason’s wife is too expensive for him to afford. He could steal the drug or he could save money to buy the drug at a later time, but his wife might die by then. What should Jason do?
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Bell Ringer Sept. 24 th -Grab your folder and answer the following on your Bell Ringer sheet: Jason’s wife is sick. Jason works at a pharmacy. The drug.
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Bell RingerSept. 24th
- Grab your folder and answer the following on your Bell Ringer sheet:
Jason’s wife is sick. Jason works at a pharmacy. The drug that would cure Jason’s wife is too expensive for him to afford. He could steal the drug or he could save money to buy the drug at a later time, but his wife might die by then. What should Jason do?
Metric SystemMeasurement What is it? Base unit How?
Length Distance between two points
Meter (m) Ruler ormeter stick
Mass Amount of matter in an object
Gram (g) Scale
Volume Amount of space in an object
Liter (L) Beaker orgraduated cylinder
Temperature Heat energy Degree Celsius(°C)
Thermometer
Lesson 1: Length
T. Trimpe 2008 http://sciencespot.net/
The Metric System
SI (System International)
Metric System•Used by every country in the
world, except the USA.
•Always used by scientists.
•Based on the number 10, so it’s easy!
Measuring Length
•Length= the distance between 2 points.
•Base unit= meter (m)
•Use rulers and meter sticks to measure
Problems: We need more accuracy
o We can’t measure everything with just base units
o We need prefixes!
Metric Units
The basic unit of length in the metric system in the meter and is represented by a lowercase m.
Top Image: http://www.tea.state.tx.us/student.assessment/resources/online/2006/grade8/science/images/20graphicaa.gifBottom Image: http://morrisonlabs.com/meniscus.htm
We will be using graduated cylinders to find the volume of liquids and other objects.
Read the measurement based on the bottom of the meniscus or curve. When using a real cylinder, make sure you are eye-level with the level of the water.
What is the volume of water in the cylinder? _____mL