Tree Ring Model part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend the natural variations of tree-ring width and their uses for determining past climatic ...

Membranes and Cell Structure part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
A one page assignment that uses online tutorials to give students a first exposure to the components of a cell and membrane.

Why is Chlorophyll Green? part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
This is an out of class exercise that allows students to explore biological molecules that contain heme like molecules with metals bound in them. The properties of these molecules give them different colors and functions, but all are related evolutionarily.

Diffusion Demonstration part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
In this interactive demonstration students will make observations of diffusion of a semi permeable membrane and be able to compare these observations to the functions of a cell membrane.

Nature Stories: Promoting Environmental Awareness through Culture and Exploration. part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity uses a cultural story to excite kinesthetic homework, nature journaling and daily adventure in a child's own back yard or kitchen flower pot.

The Life Cycle of a Walleye Fish part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is based on inquiry, guided discovery, observation and discussion to help students learn the objectives in learning more about a fish, labeling its body part and learning about its life cycle.

Building A Protein part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This is a hands-on activity to assess the students understanding of peptide and disulfide bonds formed during protein synthesis. Students demonstrate the process of dehydration synthesis by combining amino acids through peptide bonds creating molecules of water, and one protein amino acid strand. It can also be used to assess students understanding of the process of translation.

Walking on Water--How Do Water Striders Do It? part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity provides students with a first look at water tension and its role in the life of a water strider.