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In this activity, learners explore dinosaur fossils and a dig site. Learners work in groups to analyze a dig site map and match bones to a skeletal drawing of Kelsey (a Triceratops).

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.

In this math lesson, learners compare products to determine the best product.

In this activity (on page 134 of the PDF), learners explore reaction time.

In this math lesson, learners identify, describe, and construct the five regular polyhedra.

In this math activity, learners play a game similar to 20 Questions, in which learners must identify a secret number drawn from a bag.

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

In this math lesson, learners make estimates to analyze the number of apples per acre, and visualize the magnitude of one million.

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

This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

In this math lesson, learners estimate distances between landmarks and use a map and scales to determine the actual distances.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible

In this activity, learners explore how mirrors reflect light and change the way we see things.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs.

In this activity about center of gravity (page 23 of PDF), learners investigate how the body adjusts to the force of gravity to remain balanced.

In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most. Then, learners estimate the size of a Triceratops and T.

In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.