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When Did Humans Start Cooking?

YouthChemistryHistoryScienceYouth 120Youth 125Youth 130
New chemical analysis techniques suggest that humans may have controlled fire much earlier than previously believed.
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Let's Fly!

YouthAdventureProblem-SolvingProcessScienceTechnologyTransportationYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina shows us how to do just that by going back to our original problem at the gorge.
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Star Personalities

YouthScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina chats about their difference and tells us what those differences mean.
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Minerals, Crystals, & Gems

YouthEducationGeologyNatureScienceYouth 120Youth 125Youth 130
What’s the difference between minerals, crystals, rocks, and gems? In this lesson students will learn what these substances are and how they naturally form.
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Dinosaur Pee?

YouthBiologyNatureScienceYouth 110Youth 115Youth 120Youth 125Youth 130
Today we continue our exploration of the water cycle by drinking some dinosaur pee.
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The Great Aqua Adventure

YouthExperimentsScienceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode Sabrina shows us how the water cycle works and how you can create a mini water cycle right in your own kitchen!
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Indoor Air Pollution

YouthLawEnvironmentHealthScienceYouth 120Youth 125Youth 130
In this science lesson students will examine the causes of indoor air pollution and investigate the role of environmental laws in keeping indoor spaces safe to breathe.
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The Science Of Sinkholes

YouthEnvironmentGeologyScienceYouth 120Youth 125Youth 130
Explore the science of sinkholes, how they commonly form, and what human activities can also trigger them.
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Orbits Are Odd

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
Did you know that there is a massive black hole at the center of our galaxy? Today, Sabrina talks about this and more.
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The Truth About Electrolytes In Drinks

YouthHealthScienceSportsYouth 110Youth 115
BBC Health Correspondent Melissa Hogenboom investigates whether we need sports drinks.
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Everything Revolves Around You

YouthScienceSpaceWorldYouth 110Youth 115Youth 120Youth 125Youth 130
Today Sabrina talks to us about how gravity and velocity works.
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Rocks From Space!

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
With so many objects floating around in space, we’ve got you covered on knowing the difference between all of the smaller celestial bodies that orbit the Sun.
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Home Sweet Habitat

YouthEcologyEnvironmentNatureScienceYouth 110Youth 115Youth 120Youth 125Youth 130
In this episode, Sabrina talks about how habitats form food webs and how those food webs help us understand a lot about the world.
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Glow On

YouthAstronomyScienceSpaceYouth 110Youth 115Youth 120Youth 125Youth 130
Sabrina chats about how stars glow and how astronomers judge their brightness. Also, she talks about a really, really, really big star.
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Confirmation Bias And Building The Whole Picture

YouthBiasProcessPsychologyReadingScienceYouth 120Youth 125Youth 130
Explore how your mindset shapes the information you find and learn what to do about it.
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Chemical Changes

YouthChemistryEducationScienceYouth 110Youth 115Youth 120Youth 125Youth 130
Sabrina talks to us about how to tell if you have a chemical change on your hands.
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Why Do Giraffes Have Spots?

YouthAnimalsNatureScienceYouth 110Youth 115
In this week’s Surprising Science, we’re talking about the tallest animals on Earth and the pattern that covers them from head to hoof.
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Surprising Science: Big Moon?

YouthScienceSpaceYouth 110Youth 115
If you look at the Moon in the night sky and think it appears larger near the horizon, you're experiencing the Moon illusion.
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Defining A Problem

YouthEngineeringScienceTechnologyYouth 110Youth 115Youth 120Youth 125Youth 130
Sabrina talks about how we can all be better engineers by understanding what problems we want or need to solve.
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A Change Of Scenery

YouthHistoryWorldYouth 110Youth 115Youth 120Youth 125Youth 130Science
Sabrina talks about some of the reasons things can change quickly or slowly.
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Landforms, Hey!

YouthGeographyHistoryScienceYouth 110Youth 115Youth 120Youth 125Youth 130
Sabrina chats about how things like mountains, volcanoes, and plateaus come into being.