SUBSCRIBE chat center Chatboards|Lessons|Projects|Classifieds|Mailrings|Gazette|Jobs|Harry Wong|Live!|Advertise NEW LESSONS SEARCH BROWSE SUBMIT! <<PREV MORE LESSONS NEXT>> Share | Print Teachers.Net Lesson Bank Search Teachers.Net Advanced Quick Links: Set Teachers.Net Lesson Exchange #168. Glue Critters Science, level: all Posted by Laureen Cohen (). Tighe Middle School, Margate, NJ USA Materials Required: duco cement, petri dish, overhead projector Activity Time: as short or as long as you want it Concepts Taught: Characteristics of Living Things A good introduction to learning about the characteristics of living things is to get the kids brainstorming as to what makes a living thing living. I do this with my 7th graders but it can be modified for any grade level. Directions: Set up a petri dish about half full with water on an overhead projector. Make sure students have some paper and are ready to write their observations. Tell the students that you will be putting something in the dish and to watch the screen closely. Carefully, go into a drawer or some hidden compartment to get a glob of duco-cement (a type of glue) on the end of a pair of forceps. Drop it in the water and let the students write down as many observations as they can. The duco-cement swirls and moves rapidly as it congeals in the water. It has the appearance of a protist. Observations kids may make are : it moves, it changes color, it spins... If you drop a second one in, they can observe them "fighting" or perhaps even eating. Practice this before you do it for the class. it's difficult to get just the right drop size. This leads to a great discussion of living things since they will all insist that "it must be living - it moves!" Submit Lesson   Search   Browse   Request Lesson       June: The 30 Days of Teachers.Net (Introduction) 1 The Gazette 2 The Mailrings 3 Harry Wong 4 Lesson Bank 5 Tech Center 6 Teacher Classifieds 7 State Teachers.Net 8 Live Chat & Meetings 9 Teacher Printables 10 Project Center 11 Chatboard Network 12 Share Teachers.Net 13 Your Feedback 14 Interest Groups 15 Administrators.Net 16 Chat Center 17 Streaming Teacher Video 18 Tutoring Center 19 Academic Grants 20 Teachers.Net Bookshelf 21 Chatboard Tips 22 Grade Levels 23 Staffroom Flyer 24 Teachers.Net Archives 25 Hot Topics 26 Language Arts 27 Subject Areas 28 Quick Links 29 Meet Teachers.Net 30 Summer Job Fair

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