In addition, plants need light. Many materials can be recycled and used again, sometimes in different forms. Some kinds of organisms that once lived on earth have completely disappeared, although they were something like others that are alive today. After observing and discussing various kinds of insects, primary students are challenged to think of what they have learned about the needs of those insects. The teacher asks if they think insects could live in water.
Students give a variety of responses.
They are then shown mini-aquaria with aquatic insects in them. Students are challenged to describe the insects they see. Following a series of observations, students share what they have learned about the similarities and differences between land insects and water insects. The proficiencies on this page were developed by the Indiana Department of Education from the Benchmarks for Science Literacy .