What causes earthquakes? Second graders learn about stresses from plate movement with a set of hands-on activities. After tracing fault lines on a map with yarn, class members create a paper plate model of Earth to show its layers...

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. 

Here is one of the better lessons I've come across on how to teach fractions and decimals. This instructional activity does a great job of showing how these two mathematical representations of numbers are interrelated. Some excellent...

Here is an excellent lesson plan on solving subtraction word problems using fractions and mixed numbers. Learners complete three activities that will help them to explore and better-understand the world of mixed numbers. Fraction bars...

Second graders explore convection currents and how they relate to the movement of tectonic plates. Then, young geologists reconstruct Pangaea with a worksheet and pinpoint plate boundaries on a map...

Equip learners with safety knowledge in the case of an earthquake. After coloring the places to go to get help after a quake, and label places that wouldn't be safe to go after a quake, young geologists simulate three levels of...