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Life Cycle of a Plant

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Title: Life Cycle of a Plant Author: Preferred Customer Last modified by: kbarnard Created Date: 3/3/2003 12:46:12 AM Document presentation format – PowerPoint PPT presentation

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Title: Life Cycle of a Plant


1
Life Cycle of a Plant
  • How living things grow, live, and die

2nd grade Science
2
Core Content
  • SC-04-3.4.3
  • Students will compare a variety of life cycles of
    plants and animals in order to classify and make
    inferences about an organism.
  • Plants and animals have life cycles that include
    the beginning of life, growth and development,
    reproduction and death. The details of a life
    cycle are different for different organisms.
    Models of organisms life cycles should be used
    to classify and make inferences about an
    organism.

3
Vocabulary
  • Life Cycle a series of stages that a plant
    passes through from seed, seedling, mature plant,
    and death.
  • Reproduce the process by which a plant makes
    more seeds.
  • Seed coat covers the outside of the seed to
    protect the tiny plant.
  • Germinate when a seed begins to grow because it
    has soaked up enough water and sunlight.
  • Flower the reproductive structure of the plant.
  • Pollination happens when pollen is moved from a
    stamen to a pistil. The flower then begins to
    make fruit and seeds.
  • Dormant the stage where the seed is alive, but
    not growing. Usually in winter.

4
Stage 1
  • Most plants begin their life cycle with a seed.
  • A tiny plant and seed food is inside every seed.
  • A seed coat covers the outside of the seed and
    protects the tiny plant inside.

5
Stage 2
  • When the seed gets enough warmth and moisture, it
    germinates or sprouts.
  • The seed soaks up water, and the seed coats
    splits open.
  • The seed sprouts.
  • A root grows down into the soil and a little
    shoot grows up toward the sunlight

6
Stage 3
  • As the roots grow, a stem will also appear. The
    bean uses the food in the seed to grow.
  • Leaves will grow on the stem and the plant will
    stretch toward the light.
  • At this stage, the plant is called a seedling and
    it can use photosynthesis to make its own food.

7
Stage 4
  • The plant will begin to develop flowers.
  • The flowers function is to reproduce to make new
    seeds.

8
Stage 5
  • After pollination, the flower will turn into a
    pod with the seeds inside.
  • Many plants also develop fruit, which covers and
    protects the seed.
  • When the seed has fully developed, the cycle
    begins again.

9
Bean Seed Life Cycle
10
The Life Cycle of a Plant
Use the life cycle diagram sheet. Draw what
happens during each of the five stages of a
plants life cycle. Be sure to explain what
happens during each stage.
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