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Welcome to the Metric System These are the metric vocabulary words you will be learning about:
VOLUME Liter Milliliter MASS Kilogram Gram Milligram LENGTH Kilometer Meter Centimeter Millimeter
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Metric prefixes Kilo = one thousand Ex: Kilometer
Centi = one – hundredth = 1/100 Ex: centimeter Milli = one - thousandth = 1/1000 Ex: millimeter Micro = one – millionth 1/1,000,000 Ex: micrometer Nano = one – billionth 1/ 1,000,000,000 Ex: nanometer
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What is length? Length is the distance from one point to another
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The basic unit of length is the ……?
meter How many centimeter in a meter? 100 cm How many millimeters 1000 mm
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The two units that measure the length of smaller objects are, …
Millimeter or mm Centimeter or cm One centimeter………….mm? 10 mm
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A meter is divided into centimeter and millimeters The longer lines on the metric ruler are called…….? centimeters
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The shorter lines on the metric ruler are called…
millimeters
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Reading Checkpoint One centimeter is divided into how many millimeters?
10 millimeters (mm)
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Calculating: Measure the turtle from the rear of its shell to the front of its shell. Record its length in both centimeters and millimeters. 8.8 cm 88 mm
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Measurement-A Common Language
Mass
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Mass The measure of the amount of matter an object has
Matter: The material that all objects are made up of
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The basic unit of mass is the…
kilogram. One kilogram is little more than 2 pounds
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What are three objects whose masses can be measured in kilograms.
Car Teacher’s Desk Desk Top Computer Coolest Car Ever!!!! Can you think of other objects?
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: Smaller objects are measured in grams or g Ex: Such as a paper clip
Medications are measured in milligrams or mg Ex: 1 Ibuprofen tablet = 200 mg
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Mass units One kilogram is…………grams? 1000 grams Problem:
If a paper clip is 10 grams, how many will you need to have 1 kilogram of paperclips? 1000 divide by 10 = 100 paperclips
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Volume Volume of Liquids
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Volume The amount of stuff/matter and space an object takes up
Object can be solid Ex: Rock Object can be liquid: Ex: Juice Object can be gas: Ex: Air
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When measuring the volume of a liquid, scientists use the…
Liter (L). Can you guess how many liters is the big water bottle? 20 liters
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To measure the volume of smaller liquids, the _________ is used.
Milliliter (mL) How many milliliters in one liter? 1000 Milliliters
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Problem The Coke bottle is 2 liters How many milliliters is that?
2 x 1000 = 2,000 ml
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Problem The Minute Maid soda is half a liter (1/2)
How many milliliters is that? 500 ml
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The instrument used to measure the volume of liquids is called the…
Graduated cylinder
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The curve in the top surface of water in the graduated cylinder is called?
Meniscus
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Observing – How to read a meniscus
Read the milliliter marking at the bottom of the curve How much water is in this graduated cylinder? 53 milliliters or ml
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What are the Metric units from largest to smallest?
Mass Length Volume Kilogram kg Kilometer km Liter L Gram gm Milliliter ml Meter m Milligram mg Centimeter cm Millimeter mm Milliliter
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What are the Metric units from largest to smallest?
Mass Length Volume
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