Learners explore animal lifestyles by illustrating images. In this pet care lesson plan, students discuss their own pets and the conditions animals need to survive in both nature or a home. Learners draw snakes and complete an activity...

High schoolers learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. High schoolers compare results of the experiment with pesticides and...