Modeling dough and paper cutouts in science class? Learn about how relative age dating concepts, like the Law of Superposition and cross-cutting relationships, can be used to describe the formation of sedimentary layers.

Like a fresh canvas, stem cells can turn into almost anything. In a comprehensive activity, high school biologists use clay to build a 3-D model of cell division and the processes that occur during the first 14 days of development. Also...

For this volcano worksheet, students construct the three types of volcanoes using two colors of play dough. They answer questions about their models and answer specific questions about each type of volcano.

Take the old baking soda and vinegar volcano to the next level by using it to study repeated lava flows over time, examine geologic features on Earth and Mars, and speculate about some of the formations on Mars.