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In this activity, learners work in groups to match craft sticks that represent chromosomes. Learners must define critical attributes of their chromosomes as they look for matching chromosomes.

In this activity (page 12), learners apply the concepts of pixilation and pointillism to the world of biomedical science.

This activity features two connected hands-on activities about dinosaur bones.

This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi

In this activity, learners explore the behavior of cold-blooded animals. Learners discover what happens when they change a fly's temperature.

This activity is about collecting and analyzing DNA as part of a criminal investigation.

In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.

In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet le

In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.

In this activity, learners calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper.

In this activity, learners investigate the olfactory system by conducting several experiments.

This is a great activity about human energy production. Learners will work out with a clothespin to investigate why hockey players jump on a stationary bike after an intense game.

Role-playing the parts of chromosomes and centrioles, learners use large chromosome models and nylon cords (spindle fibers and cell membranes) to walk through the processes of mitosis and meiosis.

This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.

In this online activity, learners find out whether they are smart enough to survive as a plant.

This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.

In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks.

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