8-R Common Unit of Measurement 1/1/2014 Questions Note s Big Idea: What are the units of measurement...
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Transcript of 8-R Common Unit of Measurement 1/1/2014 Questions Note s Big Idea: What are the units of measurement...
8-R
Common Unit of Measurement
04/10/23
Questions
Notes
Big Idea:•What are the units of measurement commonly used in science?
What is MASS?
• Definition:• The amount of matter
(stuff) in an object• NOT WEIGHT
• Tool used to measure:• Triple Beam Balance
8-L
04/10/23
MassWeig
htThe SI unit of Mass is KilogramThe SI unit of Weight is Newton
Mass is the amount of matter present in a body and is an intrinsic property of the body. Mass of an object remains the same always at any place.
Weight is a measure of how strongly gravity pulls on that matter.
Mass is measured using a pan balance, a triple-beam balance, lever balance or electronic balance.
Weight is measured using a spring balance
8-R (cont.)
04/10/23
Questions
Notes
•Units and Interesting Facts:• 1 kilogram = 2.2 lbs• 1 kilogram = 1000
grams (a small cantaloupe)• 1 gram (a paper clip)• 1000 milligram = 1
gram • 1 mg (a grain of
sand)
8-L (cont.)
04/10/23
KILO1000Units
HECTO100Units
DEKA10Units
DECI1/10Unit
CENTI1/100Unit
MILLI1/1000Unit
Meter
Gram
Liter
8-R (cont.)
04/10/23
Questions
Notes
What is LEGNTH?
• Definition:• The distance between 2
points• Tool/s used to measure:• Ruler• Meter Stick
• Units and Interesting Facts:• 1 mile = 1.6 km• 1 kilometer = 1000 meters• 1 meter (about 3 ft)• 100 centimeter = 1 meter• 1cm (about width of pinky)• 1000 millimeter = 1 meter• 1mm (about thickness of
thumb nail)
8-L
04/10/23Try these
conversions, using the ladder method.
8-R (cont.)
04/10/23
Questions
Notes•Definition:
• The amount of space an object takes up
•Tool/s used to measure:• Ruler (l x w x h)• Graduated cylinder
•Units and Interesting Facts:• 1 liter (liter bottle of soda)• 1000 milliliter = 1 liter (1mL = 2 drops)
What is VOLUME?
8-L (cont.)
04/10/23
The curve of the top surface of water in a graduated cylinder is called _________.
MENISCUS
8-R (cont.)
04/10/23
Questions
Notes
•Definition:• The amount of
movement of molecules (how hot)
• Tool/s used to measure:• Thermometer
•Units and Interesting Facts:• 100° C = water boils• 37° C (98.6° F) =
ave. body temp• 0°C (22°F) = water
freezes
What is TEMPERATURE?
8-L
04/10/23
8-R (cont.)
04/10/23
Questions
Notes
•Definition:• The continuum of
experience in which events pass from past, present and to the future
• Tool/s used to measure:• Stop watch
•Units and Interesting Facts:• Seconds• you know this already
What is TIME?
8-L
04/10/23
1)Kilogram _____ 2)Milliliter _____
3)Kilometer _____4)Meter _____ 5)Millimeter _____ 6)Centimeter _____7)Gram _____ 8)Liter _____ 9)Milligram _____
Write the correct abbreviation for each metric unit.
7-R
04/10/23
Questions
NotesWhat is
DENSITY?
• Definition:• The measure of how
much mass is contained in a given volume.
• Units and Interesting Facts:• kg/m3
• g/cm3
• g/mL• Density of water = 1
g/cm3 = 1 g/mL
8-L
04/10/23
Summary:
*Make sure you address all three essential questions:1.What are the units of measurement commonly used in science?2.How important is to have a standard of measurement?3.How are values transposed from one unit to the other?