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Coins are everyday objects which tell a lot about the people who use them.

In this lab (Activity #1 on page), learners explore how we see color.

In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.

In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the homework.

This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.

In this health, cooking, and math activity, learners explore nutrition and examine nutrition labels.

In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

In this optics activity, learners explore diffraction by adding wax blocks to a ripple tank. The wedge-shaped blocks act as obstacles that the wave must bend around.

In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.

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 conduct the "Stroop Effect" test and explore what happens when they try to complete two simple tasks at the same time.

In this activity, learners bake cookies by following different recipes to better understand genetic mutations. Everyone in the group bakes the same type of cookie: chocolate chip.

In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

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

In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.