# Explore Teaching Examples

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Exploring Radiometric Dating with Dice part of Quantitative Skills:Activity Collection

An activity in which students use dice to explore radioactive decay and dating and make simple calculations.

Crystallization from Melt Demonstration part of Interactive Lecture Demonstrations:Examples

This demonstration uses melted phenyl salicylate to show how crystals nucleate and grow as the temperature of the liquid melt decreases. -

Subduction Zone Earthquakes part of Interactive Lecture Demonstrations:Examples

While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend several characteristics of subduction zone earthquakes. -

Copper Extraction Demonstration Tutorial part of Interactive Lecture Demonstrations:Examples

Summary This demonstration uses sulfuric acid and crushed copper ore (malachite) to produce a solution of copper sulfate and carbonic acid in a beaker. When a freshly sanded nail is dropped into the copper sulfate ...

Slinky and Waves part of Interactive Lecture Demonstrations:Examples

Use a Slinky to show:P and S waves, Wave reflection, and Standing waves in interactive lecture demonstration. -

Phases of the Moon part of Interactive Lecture Demonstrations:Examples

This exercise has students use a simple physical model of the Earth, sun, and moon to understand why the moon changes phases from the perspective of Earthly observers. -

Adhesion, Cohesion, and Surface Tension Demonstration part of Interactive Lecture Demonstrations:Examples

This short (<5-10 minutes) pair of demonstrations uses glass slides with a very thin film of water to demonstrate the cohesive and adhesive forces of water molecules, and a needle floating on water to ...

Pressure Melting of Ice: While-U-Wait part of Interactive Lecture Demonstrations:Examples

In this demonstration, students get to witness pressure melting and regelation first-hand. A weight is suspended via a thin wire over an ice cube. Over the course of the course of the demonstration, the wire ...

Using Popcorn to Simulate Radioactive Decay part of Quantitative Skills:Activity Collection

Popping popcorn in your class is an excellent way to illustrate both the spontaneity and irreversible change associated with radioactive decay. It helps students to understand the unpredictability of decay.

M&M Model for Radioactive Decay part of Quantitative Skills:Activity Collection

A tasty in-class demonstration of radioactive decay using two colors of M&M's. Illustrates the quantitative concepts of probability and exponential decay. This activity is appropriate for small classes (<40 students).