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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.

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.

Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

Soil Density
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In this activity, learners will test soil content using their sample, some water and a container that seals.

¡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.

Build a Soundscape
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.

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.

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.

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

Motion Picture
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During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

Fingerprints
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In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.

Sticky Snot
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In this activity, learners create slime to model mucus and examine how it collects simulated particles. Mucus keeps particles from the environment out of our lungs when we breathe.

Pósteres Sobre Animales y Matemáticas
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Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea.

Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.

¡Terrario!
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En esta actividad, los aprendices harán un terrario usando materiales simples.

Shower Estimation
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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

¡Helados!
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En esta tira cómica, Mateo y Cientina emplean su conocimiento de la química y las medidas para esta actividad deliciosa - ¡hacer helado!