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In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing

In this activity, learners make a Benham Top to explore visual illusions and optics.

In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

In this health activity (on page 3 of the PDF), learners will learn about the body‘s defenses against invasion from tiny particles.

In this activity, learners build a bird feeder or feeders to attract birds for observation.

In this activity, learners discover how their heart rate changes in different situations.

In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

In this activity, learners identify the reproductive parts of plants and the animal (bee) structures involved in pollination.

In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.

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

In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

In this activity, learners investigate how wolves communicate with each other through different body postures.

This activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution.

In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

In this activity, learners play an active version of freeze tag based on predator/prey relationships.

In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

In this activity, learners create a map showing the origins of spices and herbs from a favorite recipe(s). Learners first research the origins of the ingredients and then locate them on a world map.

Did you know that a bullfrog can jump a distance of 10 times its body length? Learn more about nature's most acrobatic amphibian, the frog, through this set of short, hands-on activities.

In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.