| Alien Invasion: Plants on the Move | www.weedinvasion.org |

Alien Invasion
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About This Curriculum
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vi
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Why Use This Curriculum?
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vi
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How to Use the Curriculum
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vii
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About the Lessons
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vii
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Unit I: Weed Facts
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Introduction.
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1
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Elementary School
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What is a Weed? – Playground Investigation
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3
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A Weedy Scavenger Hunt
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7
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An Ecosystem is Like a Bowl of Milk
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13
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Where in the World Do They Come From?
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19
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The Great Race for Survival
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25
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Middle School
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When is a Rose Not a Rose?
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33
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Ecosystem Canaries: Assessing Rangeland Health
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39
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Alien Species Research Discussion
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49
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Alien Invasion
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55
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Make-Believe Aliens
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63
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High School
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Facts and Fiction
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71
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Weeds of Mass Destruction
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75
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Gone With the Wind
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81
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Curses, Foiled by a Seed
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89
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Unit II: Weed Identification
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Introduction
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97
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Elementary School
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Plant Parts and Their Functions
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99
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Weed Clue
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107
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Weed Identification Relay
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113
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Introduction to Dichotomous Keys
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117
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Middle School
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Picture a Weed
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123
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Alien Seed Bank.
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131
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High School
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From Seed to Shining Seed
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137
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Classified Information
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149
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Pressing Matters
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155
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Unit III. Weed Prevention
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Introduction
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163
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Elementary School
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Dilemma Decisions
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165
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Middle School
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Alien Prevention: Awareness to Action
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175
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Aliens in Your Sock
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181
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Alien Shopping Spree
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185
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High School
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An Ounce of Prevention
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191
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Unit IV. Weed Inventory
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Introduction
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195
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Elementary School
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Invent an Inventory
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197
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Middle School
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The Right Inventory for the Job
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203
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Practicing Protocols
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211
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High School
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Dollars and Sense
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219
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Sample Inventory Protocol
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223
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Unit V. Weed Mapping
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Introduction
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227
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Elementary School
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Drawing Sequence Maps
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229
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Map Journeys
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233
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Middle School
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Tracking Aliens in the Schoolyard
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237
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The Marks On This Map Are Alien!
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241
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High School
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Introduction to GIS/GPS
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253
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Intermediate GIS (AP Biology)
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257
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Intermediate GIS (AP Biology)
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263
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Weed Mapping
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269
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Unit VI. Weed Control
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Introduction
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273
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Elementary School
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Once Upon a Town
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275
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Weeds vs. Bugs
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283
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Middle School
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And Just How DO You Kill a Weed?
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289
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High School
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Under/Out of Control
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299
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Unit VII. Community Involvement
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Introduction
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303
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Alien Wanted Poster
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305
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Discovering the Artist Within
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309
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Let’s Pull Together
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311
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What About Weeds?
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315
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On the Path to Discovery
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319
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Weed Control is Everybody’s Business
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321
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Appendix
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Once Upon a Town
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325
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Vocabulary
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367
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Resources
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373
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