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MSET 365 Sarah Kniss February 9, 2011. Insects Yes or No?. Expectations. What characteristics does an insect have? How can we distinguish an insect from other living things? What exactly is an insect? Who wants to go on an adventure to discover insects? . What Do We Know about Insects?.
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MSET 365 Sarah Kniss February 9, 2011 InsectsYes or No?
Expectations • What characteristics does an insect have? • How can we distinguish an insect from other living things? • What exactly is an insect? Who wants to go on an adventure to discover insects?
What Do We Know about Insects? • Explain a KWL Chart. K (knowledge) W (what we want to know) and L (what we learned). • In small groups have students create their own KWL chart, filling out what students know now and what they want to know about insects. • Compare and contrast with other groups in the class.
Answer: • Yes, this is an insect. • WHY? • Bees are arthropods, having six legs and two antennae.
Answer: • No, this is not an insect. • WHY? • Centipedes do not have three, separate body parts. The head is ONE. The thorax is TWO. And the abdomen is THREE.
Insect OR Not? • No, this is not an insect. • WHY? • A spider is not an insect because a spider has 8 legs and does not have three parts to it’s body. • Spiders and arachnoids.
Answer: • Yes, this is an insect. • WHY? • An ant has an exoskeleton which protects and supports an insects body.
Answer: • No, this is not an insect. • WHY? • A crab is not an insect because they have 8 legs and no antennae. • Crabs are a crustacean.
What Is An Insect?! • Arthropods • 3 pairs of jointed legs (six total) • Exoskeleton • 3 body parts : Head, Thorax, and Abdomen • Compound eyes • 2 antennae
KWL Chart • Ask students to complete the “L” (learned) section of their chart.
Sources • Bee Picture: • http://www.bugaboopest.com/bees_nw.htm • Centipede Picture: • http://www.atozpestcontrol.com/centipedes.htm • Spider Picture: • http://www.dimensionsguide.com/what-is-the-biggest-spider/ • Ant Picture: • http://hubpages.com/hub/How_To_Get_Rid_Of_Ants • http://en.wikipedia.org/wiki/Exoskeleton • Crab Picture: • http://martykelley.blogspot.com/2010/12/cute-little-crabs.html • Insect Information: • http://en.wikipedia.org/wiki/Insect