Students examine geologic time to scale. In this geologic time lesson plan, students create a time-scale metaphor that shows some of the Earth's important events. Students present their metaphor to the class.

Here is an excellent cross-curricular lesson. Learners relate multiplication to area by making a grid on graph paper, and then creating the same grid in real space outside in the school yard.

Ninth graders explore the concept of ratios. In this ratio instructional activity, 9th graders construct a to scale time line that starts at the beginning of time. Students determine the correct placement of big events in time such as...

Ninth graders operate a model to observe the type of motion that occurs at a fault during an earthquake. They explore the effects of several variables. Students measure movement, calculate averages and plot and graph information.

Students model a paleontologist's activities. They identify dinosaur bones and reassemble them into a skeleton of an extinct reptile.

Students calculate the stride length of a walking or running animal. They use scale models of dinosaurs to calculate the leg and stride length of the animals.