Plant 10 seeds in their soil and 10 more seeds in a pot containing natural soil (not potting soil). Then observe and compare the
growth. This will take a week or more. Have the student note when the seeds begin coming up out of the ground. Have them
measure the seedlings as they grow. They should also record how many of the ten seeds came up on each of the pots.
Relate the components of soil to the growth of plants in soil. Remind the student of the following:
a.Water is necessary to carry nutrients into the roots and up the stem. It is also necessary for the plants to grow.
b.Air is necessary to allow the roots to "breathe". Also, air spaces in the soil allow a place for water to enter the soil.
c.Organic matter, plant and animal parts, help hold the water in the soil. They also provide nutrients.
d.Rocks and minerals provide nutrients to the plants and structural support to the roots.
Ask the student how they could provide mineral nutrients for plants to grow without soil. List their responses. Responses might
include: grow plants in wet towels, grow plants in wet gravel, grow plants in water.
At the end of the week, help the student write a lab report. Their lab report should contain:
a. A clear statement of the question they were trying to answer. (In this case, it was something like, "Will plants grow
better in the soil I made or in natural soil.)
b. A description of their materials and set up.
c. A record of the data they collected (when the plants came up, how many came up, how much they grew). The could
be recorded in a table or in graph form.
d. A conclusion that states what they learned from the experiment. Did it answer the question they asked? If so, what
was the answer?
Step 3: Complete the worksheet attached below.
Activity Worksheet for in depth learning
Step 4: Review. Start the next lesson with the game or activity attached below for review so the student can demonstrate
understanding of this lesson before moving forward.
Soildoku (offline) worksheet