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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.

In this fun activity about spiders, learners build and design a spider from cardstock, straw, string, and pipe cleaners.

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.

In this activity, learners experiment and collect data during a simulation of the fluid shifts experienced by astronauts' bodies in microgravity.

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: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

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

In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.

In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

In this activity, learners examine antibodies and antibody recognition using a model.

In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.

In this activity, learners explore surgical instrument design. Teams of learners construct surgical instruments from everyday materials.

This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.

In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another

In this activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife.

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

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.