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chemistry

This tag is associated with 8 posts

Toasted marshmallows: A delicious scientific treat

As summer starts up so do campfires and toasted marshmallows. So what gives a golden brown, melty marshmallow its amazing flavour? What makes them puff up? And why isn’t a burnt one as sweet anymore? Let’s start with the ingredients of a marshmallow. A marshmallow is around 50% air. This actually starts to answer our … Continue reading

Magic Mondays: Oobleck

I wrote a post a while ago that you can read about non-Newtonian fluids so I’m just going to give you the potion recipe here. I’m not sure if I’m going to continue magic Mondays on a weekly basis. It might become a monthly thing instead. But you can still download the potions book and … Continue reading

Magic Mondays: Density and a Time Jar

Our third Magic Mondays post before Christmas. Remember you can get all the potions plus a muggle reference guide for $5 CA and help support science education. The muggle reference guide includes additional questions and ideas to support critical thinking. Actual Recipe Water Giant Squid Slime Leprechaun Elixir Dehydrated Doxy Venom Directions The Science Behind … Continue reading

Magic Mondays: Separating Fats and Dancing Milk

Here’s the second Magic Monday post. I’m also thrilled to announce that you can purchase all 8 potions right now for just $5 CA and all the proceeds from sales before Christmas will be donated to the Alberta Science Network. Purchase potions book and muggle guide. Actual Recipe 2 % or Whole Milk Food colouring … Continue reading

Magical Drafts and Potions: An Activity Book for Harry Potter Fans

From Fizzing Whizbees to Erumpent Toothpaste there are 8 recipes for different magical potions that any Harry Potter fan would enjoy creating. There’s also a muggle guide with instructions, easy to understand science descriptions, and some notes to help encourage critical thinking. All the proceeds from the sale of this item before Christmas will be … Continue reading

Phosphorus: A vital mineral we never think of

I’ve never given much thought to phosphorus. It isn’t one of the minerals that we are told to supplement. The reason is that most of us get enough phosphorus through our diets already. No supplement needed. And too much phosphorus can have negative consequences. High phosphorus levels are linked with cardiovascular disease and long term … Continue reading

Dry your hands with one paper towel

For years now I have stubbornly refused to use two paper towels to dry my hands. The prevalence of the two towel hand dry had to be having a negative impact on our paper consumption and waste production. But until now this meant that my pants generally assisted in my hand drying efforts. Little did … Continue reading

Getting there faster costs more

I’m pretty green when I am commuting: I bike a lot and I use public transit. But in this automobile driven country, I do own a car, and I use it. This morning I watched a video of travelling along a cycling highway between two cities in the Netherlands that are connected by a cycling … Continue reading

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