Yearly Archives: 2018

Copper sulfate burns with more of a blue-green flame. (Anne Helmenstine)
Illuminating your Halloween jack o’ lantern with green fire is way more interesting than using a candle. Green fire just looks witchy! The effect is easy to achieve and yields fantastic results. Green Fire Jack o’ Lantern Materials You only need a few basic materials to put green fire in […]

Make a Green Fire Jack o’ Lantern

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If you want to hear the aurora sound, listen on a calm, clear night. (Luke Stackpoole) 2
Do the Northern Lights or aurora borealis make a sound? The answer is yes. However, not everyone hears the sound and not all aurora produce it. Eyewitness Accounts of the Aurora Sound Several credible witnesses in both the Northern Hemisphere (aurora borealis) and Southern Hemisphere (aurora australis) report hearing a […]

Does the Aurora Borealis Make a Sound?

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Use white face paint and black eyeliner to make a simple skeleton costume.
Many commercial face paints contain chemicals you don’t want, such as perfumes, parabens, heavy metals, or allergens. They are also expensive for what you get. Here is a simple recipe for a homemade white face paint you can make that uses natural, non-toxic ingredients. White Face Paint Materials You only […]

Easy White Face Paint Recipe

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Shine a low pressure sodium lamp on a flame colored with table salt for a black flame pumpkin.
First, there was the green fire pumpkin. Then, I made a rainbow flames pumpkin. That was cool, but then there was the flamethrower jack o’ lantern. How could I top that? Well, this black flames Halloween jack o’ lantern is less likely to require a fire extinguisher, and actually way […]

Black Flames Halloween Jack o’ Lantern

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Trees Word Search
Trees have an important role in our day to day lives. They play a major role in the oxygen and carbon cycles, prevent soil erosion and provide building materials for our homes. Since trees are this important, maybe we should learn their names. This trees word search contains thirty common names […]

Trees Word Search

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Amino Acids by Side Chains
Amino acids are the building blocks of polypeptides and proteins, which are used as structural components and enzymes. If you’re taking biochemistry, organic chemistry, or genetics, you need to be familiar with the 20 amino acids and also know their side chains. It’s the nature of the side chains that […]

Amino Acid Side Chains Study Sheet

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