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 A decimal system of units with powers of ten. Example: 0.1; 1; 10; 100; 1,000  Also known as: the Système International d'Unités (SI units)

 Length/Distance = Meter  Volume = Liter  Mass = kilogram

 Changing the same number to a different unit. Ex. 100cm = 1 m changes the number from centimeters to meters.

 250,000 liters = ________________ kiloliters.

 Change the prefix.  multiply or divide by powers of ten.

Length Megameter Mm Kilometer km Hectometer hm Dekameter dam Meter M Decimeter dm Centimeter cm Millimeter mm Micrometer µm Volume Megaliter ML Kilolieter kL Hectometer hL Dekameter daL Liter L Deciliter dL Centimeter cL Millimeter mL Micrometer µL MassMegagram Mg Kilogram kg Hectogram hg Dekagram dag Gram g Decigram dg Centigram cg Milligram mg Microgram µg

 1) cm= _____________ mm  3) 4.87m= ____________mm  5) kL= _____________mL

 A proportion used to determine the relationship of a representation of a time frame.

 10 cm = 100 million years  Measure the paper  Convert from meters to centimeters  Use a proportion to figure out how old the earth is.

 4.6 billion years old.

 Complete Steps 3 and 5 on the instruction sheet.

 Divisions of time, separated by catastrophic or major events in history.

 Measure, mark and Color Eons and Eras first PRE-ARCHEAN

beginning of the Earth 4.6 Billion years ago The first signs of life 3.8 BYA First plants (algae) 3.2 billion years ago First fish 51 MYA Add Events with a STAR and DRAW /PASTE a picture of them

 Group member 1: task master – keeping the group on task, overall organization  Group member 2: Marking eons and eras and coloring, then jumping in with #3 when finished  Group member 3: Marking events and beginning to draw pictures for the starred events.

 Homework= Get supplies for class by Monday, get syllabus signed, summarize your notes, finish most of the timeline

 The supercontinent that all continents originated from.

 The study of how plates (divisions of the crust) float or move on top of the mantle.

 The theory that the continents drifted apart from one continent (Pangaea). /Icy-Ecosystems/Sci-Media/Animations- and-Interactives/Continental-drift