Barometric pressure is responsible for much of our weather. In this episode, I travel to Hawaii so we can explore the relationship between barometric pressure and temperature.
Host: Michael Doig
Duration: 4:11
Materials
Can of Compressed AIr – Can be purchased at any office supply store for around $6.
Raytek MT4 Mini Infrared Thermometer – The ability to take [...]
By Michael Doig on Thursday, October 2, 2008Filed Under: Demonstrations, Featured, Video
I recently went for a hike at the Lusscroft Farm trail in Sussex New Jersey. As I was ambling down the path, I stumbled upon this stick bug. I have seen stick insects many times, but I always thought they were limited to tropical habitats. Apparently they have evolved in the temperate regions of Earth [...]
By Michael Doig on Monday, September 8, 2008Filed Under: Demonstrations, Featured, Video
In this episode we go to Central Park and take a look at the chemical weathering of Cleopatra’s Needle. Then we go back to lab and I show you how to model chemical weathering with your students.
Watch on: YouTube | Revver | Download
Host: Michael Doig
Duration: 4:19
Materials
Chalk
Paper Clip
Vinegar
Eye Dropper
250ml Beaker
Weathering Fast Facts
Weathering is the mechanical [...]
By Michael Doig on Monday, August 11, 2008Filed Under: Demonstrations, Featured, Video
In this episode John Herrera and Michael Doig take a helium balloon along for a car ride to show how air moves within an accelerating car.
Watch on: YouTube | Revver | Vimeo | Download
Host: Michael Doig & John Herrera
Duration: 3:15
Materials
Car
Helium Balloon
Open Road
Convection Fast Facts
Lighter than air gases move from areas of high pressure toward areas [...]
In this demonstration we visit the lab and look at the circulation of water based on temperature differences. This demonstration is done using the Oceanic Circulation Model from ScienceKit.com.
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Host: Michael Doig
Duration: 4:16
Materials
Oceanic Circulation Model
Ice
Water (Hot/Cold)
Food Coloring
Convection Fast Facts
Heated fluids rise because they have a lower density
Cooled fluids [...]
This demonstration was filmed at Gateway Education Center during a professional development seminar.
Watch on: YouTube | Revver | Vimeo | Download
Materials
Milk Bottle (or other bottle with an egg size opening)
Hard Boiled Egg
Matches
Paper
Instructions
To get the egg into the bottle you:
Hard boil several eggs for about 12 mins.
Create a tightly wrapped piece of paper that will [...]
Thank you everyone who attended the Dynamic Earth Professional Development. Below you will find the PowerPoint presentations that I used. If you have any questions about the presentations, feel free to leave a comment.
Day 1 – Weather Instruments
Thank you everyone who attended the Environmental Symposium at Floydd Bennett Field. It was a pleasure presenting and I hope I get the chance to do it again. A really big thank you to Alix and John from the STEM grant for inviting me to speak. As promised here are my presentation slides and a [...]
From the time you are a baby, you explore the world by touching, tasting, rubbing and smelling. The first thing a baby does when it is presented a new object is to pop it in it’s mouth and bang it around. We are naturally inclined to explore by putting our hands on the world around [...]
Density is a measure of the amount of mass in a given volume. In this demonstration we visit the lab and look at the density of Pepsi versus Diet Pepsi. This is a very simple demonstration, but students love it.
Watch on: YouTube | Revver | Vimeo | Blip | Download
Host: Michael Doig
Duration: 3:51