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Unit Plan: Cycles: From Rot to Radishes Lesson: 3 Time: Session 1 (40 min) and Session 2 (40 min) Setting: Classroom Objectives:

Students set up experiments to test the effects of compost tea on plant growth, learn about plant development, then monitor their experiments for 3-5 weeks.

Overview
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Lesson Overview:

Students will be able to: set up an experiment according to plans, know the parts of a seed and how seeds develop into a mature plant; understand where plants get nutrients and energy as they grow; accurately make and keep records of observations and measurements; exchange and reflect on information with their peers.

Materials:

Session 1

For the class:

  • newsprint poster of experiment design plan (see lesson "Plans and  Peer Reviews, lesson 2")
  • large bucket or dishpan
  • several measuring cups or 8 oz. plastic cups
  • cleanup supplies: broom, whisk broom, dustpan, paper towels, sponges, bucket of water

For each group:

  • set of experiment materials:

24 6-oz plastic cups
pushpin
approximately 9 cups of vermiculite
plastic bag, 1-gallon size
24 radish seeds
mini paper cups
12 pot lables
permanent marker

Session 2

For the class:

  • compost tea materials:

See Lesson Resources for further details.

Lesson Resources:
Benchmarks for Science Literacy: 1B Scientific Inquiry 5A Diversity of Life 5D Interdependence of Life 5E Flow of Matter and Energy 8A Agriculture 12D Communication Skills NYS Standards: MST 4- Physical setting, living environment and nature of science ELA 1- Language to collect and interpret information and understand generalizations
Next Generation Science Standards
Science and Engineering Practices: Planning and carrying out investigations Analyzing and interpreting data Obtaining, evaluating, and communicating information

Hogan, Kathleen. Eco-Inquiry: A Guide to Ecological Learning Experiences for the Upper Elementary/Middle Grades. Kendall/Hunt Publishing Company, PO Box 1840, 4050 Westmark Drive, Dubuque, IA 52004-1840., 1994.