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Everyday science experiments

This category contains 11 posts

Cat Genetics

I’m teaching a bio course this term and I’ve been looking for ways to engage students in lab type activities given that we can’t go into a lab. When someone sent me an article about why most of the human genetic traits we like to use in genetics lessons are inaccurate I was, shall we … Continue reading

Why is the water so brown?

When you’re used to clear water coming out of the tap it’s easy to make assumptions about how clean a water body is based on how clear it is. This means that most people assume that the North Saskatchewan River through Edmonton, Alberta, Canada is pretty dirty, particularly in the spring. The visible brown colour … Continue reading

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

The science of creating the perfect dyed Easter egg

I thought I’d do a little experiment to check out how vinegar or a weak acid affects dying eggs with food colouring. The recipe I’ve seen most often is a teaspoon of vinegar in a cup of water so I used this recipe, but I added two other tests: just water and half water and … Continue reading

Mini post: What happens when we share a passion

I’m not a big Valentine’s Day person, so I thought I’d look for a different take on the day of love and what I found was some amazing graphics and almost 180,000 people sharing a love of birds and science. The Cornell Lab of Ornithology has a program called eBird that has been operating for … Continue reading

Making it snow

I was going to do this post as a magic Monday until I read about all the people who have been burned doing this trick, so perhaps it is better left as one that you binge YouTube videos of. The trick is that you take boiling water outside in frigidly cold temperatures and toss the … 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

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