This awesome science video the students are asked to be part of …
This awesome science video the students are asked to be part of the engineering process as they are help with an architectural design as a solution to a problem.
“Arctic Feedbacks” is a middle/high school earth science unit focused on weather …
“Arctic Feedbacks” is a middle/high school earth science unit focused on weather and climate as it relates to Earth’s system. The unit is centered around an anchoring phenomena known as Arctic amplification and consists of ten unique lessons, each tied to the NGSS Earth’s systems standards. Each lesson provides students with evidence they will use to explain anchoring phenomena in a final descriptive model and written explanation.
We have a lot of water on Earth, but we also can't …
We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Course Kids, Sabrina talks about the difference between freshwater and saltwater and why freshwater is so important.
Did you know that all living things change their environments? It's true. …
Did you know that all living things change their environments? It's true. Beavers, deer, worms, and humans all change their environments. It just so happens that humans change our environments in big, obvious ways. In this episode, Sabrina chats about how humans have been changing our environments for a long time!
What do beavers, termites, and prairie dogs have in common? They all …
What do beavers, termites, and prairie dogs have in common? They all change their environments! We know that humans change their environments, but humans are animals and all animals change their environments just by living in them.
This awesome science video outlines how and why engineers ask themselves "what-if" …
This awesome science video outlines how and why engineers ask themselves "what-if" questions as they identify variables in the solutions to the problems they are working on.
We've talked about mixtures and solutions, solutes and solvents, but what about …
We've talked about mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about Chemical Changes? Would it surprise you to know that baking a cake is a Chemical Change? Or striking a match? In this episode of Crash Course Kids, Sabrina talks to us about how to tell if you have a chemical change on your hands.
How does climate change? And what happens to environments and ecosystems when …
How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw everything off.
What are air currents? Air currents are like rivers of wind caused …
What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure zone over the land, forming a lovely sea breeze. But what about Jet Streams? In this episode of Crash Course Kids, Sabrina chats with us about all things relating to Air Currents.
So, what would happen if you dropped a hammer and a feather …
So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it's actually not because of that at all. In this episode of Crash Course Kids, Sabrina shows us that the rate at which things fall to Earth has to do with something called air resistance.
So, if gravity pulls everything down, then why don't things on the …
So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we really mean is gravity is pulling things TOWARD the Earth. Really, it's all about attraction.
This awesome science video goes over the process of defining success that …
This awesome science video goes over the process of defining success that engineers use when they are solving problems, part of the engineering process.
This awesome science video goes over the hows and whys that engineers …
This awesome science video goes over the hows and whys that engineers consider when they are trying to define a problem, the first step in the engineering process.
Let's continue the exploration of the Water Cycle by drinking some dinosaur …
Let's continue the exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed system. No water comes in and no water goes out. So that means that, at some point, it's possible the water we're drinking was once dinosaur pee... or tears...
We know about food chains and how energy moves through an ecosystem. …
We know about food chains and how energy moves through an ecosystem. This video takes a step back to examine everything starts... and ends - with Decomposers!
This awesome science video outlines the engineering process - a series of …
This awesome science video outlines the engineering process - a series of steps engineers use to guide them as they solve problems. The steps include: - define the problem - do your research - develop a possible solution - design your solution - build a prototype - test it - evaluate your solutions
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