Anatomy of the Bean Seed

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  • Topic: Seed, Fruit, Bean
  • Pages : 3 (604 words )
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  • Published : September 18, 2014
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The Anatomy of a Bean Seed
Subject Area: Plant Science
Unit Title: Parts of Plants - Seeds
Grade Level: 4th & 5th
Objectives: To create an understanding of the different parts of a seed and their functions. Colorado Content Standards to be covered:
SCienCe
Standard i - Students understand the processes of scientific investigation and design, conduct, communicate about, and evaluate such investigations.
Standard iii - Life Science: Students know and understand the characteristics and structure of living things, the processes of life, and how living things interact with each other and their environment. Anticipatory Set:

Using a concept map on the board (or photocopy attached) ask students to name types of seeds they are familiar with or eat. Possibilities include: lima beans, peas, green beans, sunflower seeds, black-eyed peas, and pinto beans.

Materials:
Dried lima beans, paper plates, water, magnifying glasses
input:
Make copies of attached bean seed diagrams and go over the following parts and definitions: Key Vocabulary:
1. micropyle - the small pore in a seed that that allows water absorption 2. hilum - the scar on a seed coat at the location where it was attached to the plant's stalk during development 3. seed coat (testa) - the outer, protective skin covering the seed 4. embryo - developing plant still inside the seed

5. cotyledon - part of the seed that contains stored food used for initial growth 6. dicotyledon - (or dicot for short) seed with two cotyledons Checking for Understanding: At the end of this section, choose one of the following for a quick check: ask the students to partner share and think, pair and share, do a quick 3 word write up as an exit slip, do a quick sketch or give each other a quick thumbs up or down to check for understanding. Determine the level of mastery for each student and provide individual remediation as needed. Prep:

On the...
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