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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

In this activity, learners complete a series of drawing activities to explore scale and powers of 10. Learners first trace each other on 1-meter-square pieces of paper.

In this math activity, learners will create a scale diagram of their backyard or other outdoor area on graph paper.

Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.