Spring is almost here, and that means daffodils are blooming around the fort. But how do these flowers survive the long cold winters?



Second Grade Next Generation Science

Standards

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Mr. Andersen shows you how to read a position vs. time graph to determine the velocity of an object. Objects that are accelerating are covered in this podcast. He also introduces the tangent line (or the magic pen).

What happens when you jump in a moving elevator? Do you weigh more when you're going up and less when you're going down? Carol Hedden explores the relationship between gravity, weight, and relative motion, using a moving elevator to...

This is the updated Amoeba Sisters human organ systems video, which provides a brief function introduction to each of the 11 human organ systems. Table of Contents: Intro 00:00 Levels of Organization 0:49 Circulatory 1:39 Digestive 2:40...

Smallpox is the first and only human disease we've totally wiped out. However, thanks to breakthroughs made while eradicating smallpox and a number of other creative solutions , we've come really close to making a few more diseases a...

Paul Andersen starts with a brief description of feeding methods. He then details all of the major parts within the human digestive system. This tour starts in the mouth, move down the esophagus, through the stomach, small investing,...

It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!

In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!

Why do I really, really want ice cream right now? Today we explore the science of food cravings!

Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to detailed manual for building a person out of...

Whether you're out camping, cooking, or snuggled up in front of your fireplace, you know that fire is hot! But why? Join Jessi and Squeaks to learn how fires turn wood or other fuel into useful heat!

In 1967, a star was discovered that seemed to be different than most stars, . . . it looked like it was blinking.

This week in SciShow Space News we bring you the latest on what to expect from NASA's New Horizons deep space mission and what asteroids to watch for in the coming years!

At this moment, three hundred million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives. But...

Mr. Andersen talks you through the diffusion demo. After you finish watching this video you should be able to rank the following from smallest to largest: starch, glucose, water, IKI and the pores in the dialysis tubing.

It's Taco Tuesday and you're chopping up some tasty bell peppers for that nice sweet crunch. But what's this? A pepper inside your pepper? Is nature playing a prank on you or is there more to it?

You'd think we'd know everything there is to know about sexual reproduction. But as it turns out, there are still quite a few things we picked up that aren't exactly true, and we're here to correct that. Chapters NEW EGGS 1:47 MENSTRUAL...

It's been raining for a few days where Jessi and Squeaks live, and the news even said that there may be a flood! Join Jessi to find out what a flood is, how they form, and how you can stay safe if there's a flood where you live!

The hair on your scalp can get really long, but your leg hair doesn't sweep the floor. Why not?

Mister Brown and Squeaks are learning all about different cycles, or patterns, as they get ready for summer!

Jessi and Squeaks are at the fair, and Jessi is excited to go on the roller coaster! But before they get on, Squeaks wants to know how roller coasters work.

Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and...

Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!

Jessi and Squeaks are dancing to some sweet tunes! But why does music make people so excited in the first place?