teacher’s guide rss icon

Plant Diversity – Instructor’s Guide

Plant diversity
Plant diversity
5:06PM
August 16, 2011

How plant-life accumulates depending on other plant-life

Banana-Hammer Instructor’s Guide

A banana becomes a hammer
A banana becomes a hammer
3:43PM
August 16, 2011

A demonstration showing how a banana, with some liquid nitrogen, can be used to drive a nail

The Barfing Pumpkin – Instructor’s Guide

Chemical reaction in a pumpkin
Pumpkin
3:17PM
August 16, 2011

A chemical reaction inside a pumpkin

Breathing Blue – Instructor’s Guide

Two cups of water
Before and after
3:06PM
August 16, 2011

Carbon Dioxide turns a liquid a different color

Ice Bomb – Instructor’s Guide

Ice bomb
Water explosion
2:35PM
August 16, 2011

Exploring water’s unusual characteristic of expanding when it freezes

Brachistochrone Curve – Instructor’s Guide

Brachistochrone Curve
Brachistochrone Curve
4:48PM
August 15, 2011

The quickest way – not shortest distance – between two points

Glowing Spinach – Instructor’s Guide

Chlorophyll glowing
Chlorophyll glowing
4:09PM
August 15, 2011

Why chlorophyll turns red under ultra-violet light

Shuttle Tile – Instructor’s Guide

Fire syringe demonstration
Fire syringe demonstration
3:27PM
August 15, 2011

Why meteorites burn when then enter earth’s atmosphere

Stories in Ice

Stories in Ice still frame
Stories in Ice
2:32PM
August 2, 2011

Through examining ice cores, scientists can observe and record past climate conditions without having lived in those conditions. Download the teacher’s guide (PDF, 90K)

Predictions from the Ice

Predictions from the Ice still frame
Predictions from the Ice
2:47PM
August 1, 2011

By examining past trends in carbon dioxide and methane levels as well as temperatures, scientists can predict future trends through ice core samples. Download the teacher’s guide (PDF, 124K)