Students explore global warming by conducting a weather experiment. In this greenhouse gas lesson, students define the greenhouse effect and the impact on our ozone layer. Students utilize a soda pop bottle, floodlight bulb, thermometers...

Students investigate, through their own experimentation, the important role wildlife play in nutrient cycling. Earthworms and compost are used in this experiment and different experimental setups be evaluated.

Second graders examine the six nutrients humans need to maintain good heath. In this ecosystem lesson, 2nd graders learn about how plants grow and compare how humans need nutrients from plants to how plants need nutrients from the soil....