Crash Course
Photosynthesis: Crash Course Biology
Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well.
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
MinuteEarth
Why Are There Penguins At The Equator?
When nutrients from the ocean depths reach the sunlit surface (like in the Galapagos), life is more productive. ___________________________________________ To learn more, start your googling with these keywords: Net Primary Production...
SciShow
5 Inventions Showing Us the Future of Solar Energy
When you imagine the energy of the future, solar power is probably in the picture – but in recent years, less than 2% of the world’s electricity has come from solar power. Here are 5 new inventions that are likely to change that.
SciShow
How Plants Tell Time
Plants don’t have brains or muscles, and yet some of them can perform such feats as eating insects or following the sun. Scientists haven’t completely figured out how this happens, but they do have some pretty strong leads.
TED-Ed
TED-Ed: Can you solve the vampire hunter riddle? - Dan Finkel
You’re a vampire hunter entering the enemy’s lair. Can you outsmart this tricky brainteaser and vanquish the vampires? -- You’ve stealthily descended into the darkness of a vampire cave, setting a sequence of mirrors as you go. When the...
SciShow Kids
What Happened to Our Plants? Science Project for Kids
A few weeks ago we started an experiment where we planted some seeds to see how they would grow! Today we get to check out our results!
SciShow Kids
Fungi: Why Mushrooms Are Awesome | Biology for Kids
What's something that's neither vegetable or meat, digests food on the outside of its body, glows and the dark, and can go on top of your pizza? The amazing mushroom!
TED-Ed
TED-Ed: The science of smog - Kim Preshoff
On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was...
Curated Video
Exploring Uranus and Neptune
Join SciShow Space as we complete our tour of the Solar System planets with the ice giants, Uranus and Neptune.
Crash Course Kids
Seasons and the Sun
Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In this episode of Crash Course Kids,...
SciShow
How Do Rainbows Form?
SciShow explains how three important ingredients -- sunlight, water, and you -- interact to create the illusion of a rainbow. The colorful details are inside!
Crash Course Kids
Following the Sun
Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...
SciShow Kids
How to Make a Rainbow
We often see beautiful rainbows during or right after a rain storm, but did you know that you can make your very own rainbow at home? Join Jessi and Squeaks to learn how!
Crash Course Kids
Land and Water
Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different...
SciShow Kids
How Plant Seeds Travel the World
All plants start as seeds, and they can travel all over the world in lots of different ways. They might even hitch a ride on you! SOURCES: First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The...
SciShow Kids
Grow Your Own Plants!
Plants are all around you! You walk on them, eat them, and even climb them! And guess what? You can even grow your very own!
MinuteEarth
The Real Reason Leaves Change Color in the Fall
Want to learn more about the topic in this week's video? Here are some keywords to get your googling started: Leaf senescence, chlorophyll, carotenoid, anthocyanin
SciShow Kids
Save the Snowman! Engineering for Kids
Squeaks built Jessi a snowman! But, now Jessi and Squeaks need to save it from melting!
SciShow Kids
Why Are There Seasons?
You know we have four seasons: spring, summer, fall, and winter. But do you know why we have seasons? Jessi shares the answer!
SciShow Kids
Life as a Tree!
Did you know you can read the story of a tree's life? By looking at a tree's rings, you can figure out way more than just how old it is! Jessi and Squeaks are here to show you what to look for next time you're on a hike and find a tree...
TED-Ed
TED-Ed: Reasons for the seasons - Rebecca Kaplan
Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca Kaplan explains how the shape of the Earth's orbit around the...
Crash Course Kids
Who Needs Dirt?
So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt.
SciShow Kids
Trees That Never Lose Their Leaves! Science for Kids
Some trees lose their leaves in the fall, but some keep their green leaves all year round. Join Jessi and Squeaks to learn about evergreens: where they grow, and how they survive in harsh conditions!