A large part of understanding personal finance and economics is grasping the concept of wants and needs. This presentation provides students with basic yet effective definitions of wants, needs, and how they effect advertisements and...

This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent...

This animals PowerPoint provides a race car game in which students answer a variety of questions about animals, the majority of which are based on ways in which animals adapt  to their surroundings and behave to survive.

This plant biology PowerPoint introduces plant parts and their functions. This PowerPoint allows students to identify each plant part on a diagram, along with its' function. The slides contain a clear explanation of how each plant part...