Explore inheritance when carried on the X chromosome with the Amoeba Sisters! This video focuses on how to do general Punnett square problems that involve traits on the sex chromosomes (X and Y chromosomes). We do want to point out...

Halima Aden made history when she became the first hijab-wearing model on the cover of Vogue magazine. Now she returns to Kenya's Kakuma Refugee Camp -- where she was born and lived until the age of seven -- to share an inspiring message...

Jessi and Squeaks are thinking of visiting the redwoods, the tallest trees in the world, but there's lots for them to learn before they make their trip! First Grade Next Generation Science Standards Disciplinary Core Idea: LS1.A:...

TED follows Nicholas Negroponte to Colombia as he delivers laptops inside territory once controlled by guerrillas. His partner? Colombia's Defense Department, who see One Laptop per Child as an investment in the region. (And you too can...

When teachers and families work together, everyone wins, says education technology entrepreneur and TED Fellow Heejae Lim. She shines a light on an underutilized resource in US public education -- a family's love for their children --...

Mister Brown and Squeaks decide to design a solar oven, so they can cook their lunch while they play outside!

Want to help map the world? Community builder Rebecca Firth explains how the Humanitarian OpenStreetMap Team (HOT) is using open-source software powered by volunteers to put one billion people on the map in the next five years. (This...

Squeaks built a pretend time machine, and he and Mister Brown use their imaginations to travel back in time to learn all about the very first living thing!



Second Grade Next Generation Science
Standards
Disciplin
ary...

Many people across the world don't have access to healthy food -- while in other places tons of food go to waste. Social entrepreneur Ndidi Okonkwo Nwuneli thinks we can take bold steps to fix this problem. She lays out what it would...

By loading kids with high expectations and micromanaging their lives at every turn, parents aren't actually helping. At least, that's how Julie Lythcott-Haims sees it. With passion and wry humor, the former Dean of Freshmen at Stanford...

Squeaks wants to know more about the biggest flower in the world! So Mister Brown teaches him all about this stinky, weird plant - called Rafflesia arnoldii!



Disciplinary
Core Idea:
LS2.A: Interdependent Relationships...

There are all sorts of flying birds, but some of the world's biggest are ones that stick to the ground, like the awesome ostrich!

"To make a difference in the life of a child ... I made the commitment to tell my personal story," says educator Lisa Godwin. In this moving talk, she shares her experience of overcoming childhood trauma with the quiet, unwavering...

James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how...

Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids,...

Composting is a way to turn scraps of food you aren't going to eat anymore into healthy soil for your garden! But how does food turn in to dirt?! Mister Brown and Squeaks take a trip to SoilCycle, a place that makes compost in...

What are our screens and devices doing to us? Psychologist Adam Alter studies how much time screens steal from us and how they're getting away with it. He shares why all those hours you spend staring at your smartphone, tablet or...

In the uS, most kids have a very long summer break, during which they forget an awful lot of what they learned during the school year. This "summer slump" affects kids from low-income neighborhoods most, setting them back almost three...

In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism -- from mobilizing school climate strikes to speaking at the United Nations Climate Summit...

Having your period is exhausting -- and for many people across the world, menstruation is even more challenging because of stigmas and difficulty getting basic hygiene supplies, says social activist Ananya Grover. In this uplifting,...

The Order of Operations is Wrong

Join the Amoeba Sisters on this introduction to the Nervous System! This video briefly describes the division of the central nervous system (including going over some general areas of the brain) and the peripheral nervous system before...

Join the Amoeba Sisters a they explore different muscle tissues and then focus on the sliding filament theory in skeletal muscle! This video also briefly talks about muscle naming, some vocabulary (such as agonists and antagonists)...

Rockets are super amazing, but how do we get something that weighs as much as 100 elephants all the way into space?