Blog
Why Do Leaves Change Color in the Fall?
Posted by Greg MacDonald on
Why do leaves change color in the Fall? How are the different colors (yellow, orange, red, brown, etc.) produced by plants?
Question and Answer Game/Who Am I?
Posted by Greg MacDonald on
I have just finished material for the Question & Answer Game (Biology). I found some fun facts while I was working on all of this. For instance:
- Young millipedes have only 3 pairs of legs when they hatch. They grow and moult, adding more segments (and legs) each time.
Cursive Handwriting?
Posted by Greg MacDonald on
An interesting article about Handwriting and "cursive" that offers food for thought on the interplay between cursive and print ...
The Science of Solids
Posted by Greg MacDonald on
So what REALLY is the explanation for why a solid can be rigid, elastic or plastic? As I revised and rewrote the Geography Activity (Command) Cards, with one aim being the provision of scientific explanations, this is something that I had to look into. It all comes back to those particles ...
The Montessori Alzheimer's Project
Posted by Greg MacDonald on
The Montessori Alzheimer's Project, co-authored by Lyle Weinstein and Greg MacDonald, is now available!