Join the Amoeba Sisters on this introduction to the Integumentary System! This video first introduces the important functions of this system. Then, this video takes a general tour through the epidermis (and each stratum of the...

This Amoeba Sisters video starts with providing examples of prokaryotes and eukaryotes before comparing and contrasting prokaryotic cells with eukaryotic cells! Contents: 00:00 Intro 1:27 Modern Cell Theory 1:37 3 Domains (with examples...

Join the Amoeba Sisters as they explore the excretory system! This video will first discuss two major functions of the excretory system before focusing on the nephron. The majority of this video will tour through the nephron while...

Join the Amoeba Sisters for a brief tour through the human digestive system! This video will address major structures and functions including the esophagus, stomach, small intestine, and large intestine. This video also mentions chemical...

The leaves are falling from the trees and the air is getting chilly where Jessi and Squeaks live, which can only mean one thing: it's fall! And to celebrate the season, they've put together a bunch of videos about all the fun things you...

Explore the process of osmosis in this updated Amoeba Sisters video! Video features real life examples of osmosis, important vocab, and introduces concept of water potential and turgor pressure in plant cells. Expand details for table of...

Updated meiosis video. Join the Amoeba Sisters as they explore the meiosis stages with vocabulary including chromosomes, centromeres, centrioles, spindle fibers, and crossing over. Major Points in Table of Contents: Intro 00:00 Mitosis...

What is the domain Archaea? Explore the archaeans with the Amoeba Sisters! This introductory video compares and contrasts characteristics of Archaea with bacteria. Time-Stamped Table of Contents: 00:00 Intro 0:47 Extremophiles 1:00...

Get introduced to protists and fungi with the Amoeba Sisters! This video explores basic cell type, mode of feeding, habitat examples, and ecology of both protists and fungi. This video also mentions a few examples of how protists and...

Explore the parts of the cell membrane with The Amoeba Sisters! Video discusses phospholipid bilayer, cholesterol, peripheral proteins, integral proteins, glycoproteins, and glycolipids - as well as why the surface area to volume ratio...

Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.

Table of Contents: 00:00 Intro 0:40 Some Examples of ATP Uses in Cell Processes 1:14 What is ATP? 1:52 How do we get ATP? 3:05 How does ATP work? Note: We received an excellent comment in an older video (about cellular respiration) that...

Explore how to use a light microscope with the Amoeba Sisters! Includes microscope parts, how to use, and some helpful tips! Additionally, this video introduces a few types of light microscopes as well as electron microscopes. Expand...

Usually when it's snowing outside, it's really calm, pretty, and fun to play in! But there are certain types of big snowstorms, called blizzards, that can get really windy, wild, and even dangerous!

Have you ever wondered what the sun is made of? Dr. Cecilia Payne-Gaposhkin wondered that, too, and she used science to figure out the answer! Find out how she did that and more about her amazing life and...

Space is where things happen. Time is when things happen. And sometimes, in order to really look at the universe, you need to take those two concepts and mash them together. In this first lesson of a three-part series on space-time,...

Air resistance! It's a thing! In this episode of Crash Course Kids, Sabrina does her own Astronaut Experiment to show us how we can prove it!

Sometimes, Squeaks needs to recharge his batteries. And when he does, he hangs out in his room and listens to his favorite music!

Welcome back to the Fort! There's always a lot going on around here, so feel free to take a look around, say hello to all of our friends, and have fun watching some of their favorite videos! See you again soon!

Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.

You know all about how DNA bases can code for an organism's traits, but did you know there's more influencing phenotype than just the bases? Explore epigenetics with the Amoeba Sisters by learning about a few types of epigenetic marks...

Why is RNA just as cool as DNA? Join the Amoeba Sisters as they compare and contrast RNA with DNA and learn why DNA should be sharing the limelight! Table of Contents: 00:00 Intro 0:54 Similarities of DNA and RNA 1:35 Contrasting DNA and...

Explore the endocrine system with the Amoeba Sisters! This video briefly discusses endocrine vs exocrine before showing major endocrine glands and discussing examples of hormones released by each gland. Video also provides an example of...

Join the Amoeba Sisters as they explain gene and chromosome mutations, and explore the significance of these changes. This updated video has improved audio and images! Codons and the amino acids they code for is represented by standard...