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In this activity, learners play a simple card game to learn the sequence of events in the transmission of nervous system signals.

In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat.

In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.

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

Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin.

In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.

In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

This is a chemistry lab activity about solutions (page 7 of the PDF). Learners see firsthand how chemicals in a solution can combine to form an entirely different substance.

In this activity, learners explore the "nuts and bolts" of gene chips.

In this activity about the relationship between food and energy (page 5 of PDF), learners conduct an experiment to compare how much energy is released as heat from two different foods.

In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

In this activity (page 12), learners explore how molecules self-assemble and how molecules must fit together, like a lock and key, in order to identify each other and initiate a new function as a comb

This game uses a modified Uno deck to review concepts related to stem cell research and diabetes.

In this activity, learners use an origami template to design eight amino acids. Learners configure the amino acids to form a protein. Use this activity to introduce proteins and amino acids.

In this activity, learners perform a simulated blood test procedure.

This neuroscience activity introduces learners to how messages are sent and received by neurons. Learners use modeling clay and pipe cleaners to build model neurons.

In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.

In this activity, learners work together to create a life-sized drawing of the human nervous system.

Our bodies defend themselves in many different ways to prevent us from getting sick.