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Technical Services Support Center (TSSC)
Eccles Broadcast Center
101 Wasatch Drive
Salt Lake City, UT 84112
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Main Curriculum Tie:
For each group:
Background For Teachers:
Student Prior Knowledge:
Intended Learning Outcomes:
Step 2: Tell students that they will be visiting a tree today. Their task is to describe interactions between living and nonliving things in the small environment surrounding the tree. They will observe and record three interactions that they find.
Step 3: Return to the classroom and review their observations. When they have done this,they will then need to ask a question about an interaction they observed that could be investigated by further observation. For example, they have observed that the grass was thicker in the open than it was under the tree. They could ask the question, "How much thicker is the grass in the open?" and could count the number of grass plants in a square 5 cm x 5 cm in the open and compare it to the number of grass plants in a similar square under the tree.
Step 4: The following session students will return to the tree and observe and record data that will help them answer their questions. Be sure they take any equipment they might need to assist in their experimenting.
Step 5: Upon returning to the classroom after 20-30 minutes of observation, students will record their observations and answer their questions in their journals. Encourage them to use illustrations to explain their information.
Step 6: Have the small groups share their questions and the conclusions they drew from their observations. Be sure to let them know that often questions can be asked that take a long time to answer and not just 20-30 minutes. For example, observing the tree throughout four seasons might give them a different conclusion than the one they came up with.
Create a food web the shows the interactions between living things in the tree.
Students could create a product to share their information with the classroom. They could select their own format or choose from the following options:
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