Teacher Note: Because this lesson takes place in the winter, if a warm day does not happen, it is suggested to place items (except the match) in an oven for 8 minutes at 400 degrees Fahrenheit. An oven is recommended as students can record temperature. Although popcorn will pop in an oven at 400 degrees Fahrenheit, popcorn can

Teacher Note: Prepare cups with two small holes ahead of time. Holes can be made with a pin, and then widened with the tip of a pen.

Teacher Note: This lesson includes a home activity to compare different microhabitats.

Teacher Note: You can grow sprouts from seed, but make sure seeds have already sprouted before beginning the experiment. Make sure the plants get enough water so that the soil is moist to the touch. Check every day or so.

Teacher Note: You can grow sprouts from seed, but make sure seeds have already sprouted before beginning the experiment. Make sure the plants get enough water so that the soil is moist to the touch. Check every day or so. In the next lesson, students will test to see if plants need water.