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Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.

Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

In this activity about the human heart (on page 5 of the PDF), learners work in teams to simulate the volume of blood moved through the circulatory system by transferring liquid into--and through--a s

In this activity about heart health (on page 34 of the PDF), learners measure their own blood pressure using an electronic blood pressure monitor with a self-inflating cuff (included in cost of materi

In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays.

Learners participate in a variety of activities modeling different disabilities.

In this activity, learners make a stroboscope--a spinning disk with slits around the edge that you look through.

In this online version of the classic paper and pencil game, learners practice looking ahead to anticipate an opponent's move.

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 that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion.

Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

In this activity, learners discover that it's difficult to distinguish between two different shades of gray when they aren't separated by a boundary.

We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.

We don't normally view people upside down and so our brains aren't accustomed to it.

When you teeth clatter, they make quite the racket disproportionately to how much they actually sound to someone else.

In this simulation, learners act out each digestive function of the organs, tissues, and cells in the digestive tract.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.