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In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.

In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.

In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.

In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).

In this activity, learners investigate Scanning Probe Microscopes (SPM) and then work in teams using a pencil to explore and identify the shape of objects they cannot see, just as SPMs do at the nano

In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this activity (p.3-4 of PDF), learners learn about disease transmission and antibiotic resistance.

In this activity (on pages 12-15), learners make a crater model and test the effects of weather (rain) on its surface.

In this activity related to computer programming, learners give directions to a "robot" (either an adult or another learner) and find out which instructions the robot is able to follow, and how their

In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

In this simulation activity, learners act as parts of the circulatory system and discover how it serves as a transport system for food/nutrients, oxygen, carbon dioxide and waste.

In this activity, learners are invited to imagine the park of their dreams!