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Do the Mystery Samples Contain Life?
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

Habitat Adaptation Matchup
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In this activity, learners work in small groups to match various marine animals with their different environments.

Homemade Butter
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In this activity, learners will turn cream and salt into butter—using marbles. Learners will explore how shaking up fat globules help them create homemade butter.

Soap-Film Painting
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Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.

The Three Little Pigments: Science activity that demonstrates the primary and secondary colors of lightScience activity that demonstrates the primary and secondary colors of light The Three Little Pigments Know your C, M, Y, and K.
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Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image.

Real Glass Xylophone
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In this activity, learners create a xylophone by filling glasses with different amounts of water and tapping them with a metal spoon.

Isolation of DNA from Onion
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This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells. It includes an optional test for the presence of DNA.

Secret Codon
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In this activity, "write" a secret message in genetic code as beads on a string.

Invent an Insect
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In this creative activity, learners will find out what makes an insect an insect by studying examples of insect adaptations and by examining why there are so many different types of insects.

Glue Stick Sunset
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In this activity, learners explore why the sky is blue. Learners model the scattering of light by the atmosphere, which creates the blue sky and red sunset, using a flashlight and clear glue sticks.

There’s No Place Like Home!
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In this activity, learners make their own bug boxes and test the habitat preference of selected "minibeasts" (bugs).

Keeping a Field Journal
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In this activity, learners start their own field journal to better understand the wildlife in their area.

Effect of Environment on Plant Growth
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The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.

Planaria Fishing
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In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.

Insect Collection
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Learners use several types of insect sampling and collection equipment to make an insect collection. Learners can collect insects from their schoolyard or yard at home.

Born of Blood: Craft Stick Chromosomes
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In this activity, learners work in groups to match craft sticks that represent chromosomes. Learners must define critical attributes of their chromosomes as they look for matching chromosomes.

Jelly Beads
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Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads.

Fruity-Glows: Pictures of Health on a Microarray Canvas
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In this activity (page 12), learners apply the concepts of pixilation and pointillism to the world of biomedical science.
Trees: Buds and Twigs
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In this hands-on nature activity, learners observe the emergence of leaves and flowers. Branches from trees and bushes are collected in the early spring, brought indoors, and placed in water.
Healthy Buffet
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In this nutrition activity (page 2 of the PDF), learners will be split up into food groups (Fruit, Vegetable, Meat & Beans, Grain, and Dairy) and draw a picture of their favorite food from their g