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Showing results 81 to 100 of 103
Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
Plants Around a Building
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.
Seedy Travelers
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In this activity (on pages 18-28), learners explore how the shape of seeds affects how they are dispersed by wind, birds, ocean currents and other means.
Canned Heat
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.
Breathing Blue
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.
Tree Growth Investigation
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This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.
Leaf it to Me
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.
Cardio Comparisons
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In this activity, learners discover how their heart rate changes in different situations.
What is Blood Pressure?
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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
Heart Rate and Exercise
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In this activity about heart health (on page 27 of the PDF), learners measure their heart rates after a variety of physical activities and compare the results with their resting heart rates, and with
Bean Bugs
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.
Using a Sundial
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In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.
Lost Labels
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In this experiment, learners will conduct chemical and physical tests to identify mystery substances.
Plant Piping
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Learners build models to learn about the special cells and structures that plants use to move water from their roots up through the stems and leaves.
Cool Tool
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In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.
Odors Aloft
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
Forensic Science: Hair Sample Investigation
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This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.
Our Sense of Sight: Eye Anatomy and Function
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In this activity, learners investigate the sense of sight and develop and conduct their own experiments.
Energy For Life
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.
We all Scream for Ice Cream
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.