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Zipline
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In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

Print Hints
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.

String Thing
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String Thing is an interactive online game in which learners change a virtual string's tension, length, and gauge to create different musical pitches.

¡Oobleck!
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En esta actividad, Mateo y Cientina descubren una sustancia nueva y extraña que se llama "Oobleck". En su experimento ven que Oobleck tiene propiedades de sólidos y líquidos.

Building with Wonderful Junk
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In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

Playground Patterns of Cracks
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In this math activity, learners observe and sketch cracking patterns in pavement.

Flower Engineers
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This activity (on pages 24-29) combines science and art to introduce learners to how different animal pollinators spread pollen from one plant to another, and how certain shapes, colors, and smells of

Pet Parasite Detective
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This activity (on pages 19-25) is about fleas and ticks, which are common pet parasites.

Glitter Slime
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Our bodies defend themselves in many different ways to prevent us from getting sick.

¡Las Fases Lunares!
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En esta actividad, Mateo y Cientina enseñan a usar modelos para ver las causas de las fases lunares.

Speedy Shelter
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In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.

Exploring Fabrication: Self-Assembly
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In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.

Roller Coasters
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In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

Exploring Size: Ball Sorter
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In this activity, learners use sieves with different-sized holes to sort balls by size.

Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

Finding the Carbon in Sugar
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In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.

Three Bean Salads
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This game teaches ratio and proportion by having learners make "salads" that combine three types of beans in different combinations.

Mating Game
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In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.

Build a Tree
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This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

Straw Rockets
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In this activity, learners will create unique rockets. Each rocket will be powered by air as the learner will blow into a straw and watch their rocket fly.