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Dust Catchers
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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

Latent Prints
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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).

Screen Time
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This game asks you a series of questions about how much time you spend in front of a screen, not being active.

Rumination
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In this activity (on pages 24-34), learners explore the four-part stomach of cows (and other grazing animals called ruminants), and compare it to the human one-part stomach and its digestive process.

A Model Parasite
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In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models.

Using Food Labels
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In this nutrition activity, learners explore food labels and consider the nutritional value of foods. Learners also explore units of measurement commonly used on food labels.

Vital Signs
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This activity (on pages 16-23) lets learners measure each other's vital signs—the signs that help doctors understand what's going on in a patient body.

Workin' It Out
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In this activity, learners explore how to stay fit the fun way. Learners participate in three physical activities.

Get-Moving Game
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In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

Helping Hand
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In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.

Starting Your Container Garden
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This guide outlines how to plant a garden even if you don't have a yard!

Parasite Sleuth
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In this activity (on pages 26-33), learners play parasitologists, solving several "mysteries" about people who got sick from various parasites. In teams of four, each member solves one mystery.

Measuring and Protecting Skin
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In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.

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.

Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

¡Huellas Digitales!
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En esta actividad, los aprendices leen sobre como Mateo y Cientina conducen una investigación forense para descubrir quien llevó unos dulces.

Antibody Builder
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Learners use Duplo bricks to build antibodies with shapes that match model viruses.

Train Your Brain
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In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.

Multitasking Mania
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In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the homework.

Color Code
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In this activity, learners conduct the "Stroop Effect" test and explore what happens when they try to complete two simple tasks at the same time.