M & M Decay part of Rates and Time:Teaching Activities
This is a simulation of radioactive decay which illustrates what a half-life is and explains some of the challenges involved with radiometric dating. Pennies or other cheap coins can be substituted for M&Ms if ...

Evolution, Natural Selection and Speciation part of Examples
In this out of class tutorial, students explore several examples of natural selection and speciation.

Translation simulation part of Examples
This module introduces students to the basics behind translation of a messenger RNA sequence into protein. In addition to text and movies, there are interactive shockwave animations that allow students to move ribosomes and tRNAs to perform translation.

Review for interdisiplinary science course (stream ecology, watersheds) part of Complex Systems:Teaching Activities
This is a large-scale participatory activity used to prompt students to review what they have learned and to think actively and cooperatively about the connections between the systems we have discussed prior to the ...

Visualizing Photosynthesis and Cellular Respiration part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
The activity walks the students through the processes of Photosynthesis and Cellular Respiration.

Atoms and Molecules part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Both of these lessons are classroom activities that require students to build models that display understanding of atoms and molecules. One lesson is structured while the other is guided.

Make a Model Fossil part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a combination outdoor/indoor lab where students will collect natural materials from the environment and use them to create both a mold and cast model of a fossil. Students will learn how a fossil is formed and why scientists use models to help them understand how things work and develop.

An Introduction to and Investigation on Keystone Species part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a project in which students research keystone species and report on specific species to the class.

Projectile Motion and Gravity part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a mini lab where students see the effects of gravity on objects falling from a resting state and objects projected out from the same level.

Blue Skies & Sunsets part of Examples
This conceptual model explains why skies are blue and sunsets are red.