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Julie Willcott

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I have the good fortune to design and deliver educational content - around technology, science and STEAM - for teachers around the world.

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tools gift certificates arduino cables sensors leds books breakout boards power el wire/tape/panel components & parts lcds & displays wearables prototyping raspberry pi wireless young engineers 3d printing neopixels kits & projects robotics & cnc accessories cosplay/costuming halloween reseller and school packs internet of things - iot development boards batteries gift ideas feather circuitpython circuit playground crickit - creative robotics particle stemma machine learning micro:bit add-ons & accessories bluetooth ppe ecommerce

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Adafruit Industries, Unique & fun DIY electronics and kits

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Adafruit Industries, Unique & fun DIY electronics and kits : - Tools Gift Certificates Arduino Cables Sensors LEDs Books Breakout Boards Power EL Wire/Tape/Panel Components & Parts LCDs & Displays Wearables Prototyping Raspberry Pi Wireless Young Engineers 3D printing NeoPixels Kits & Projects Robotics & CNC Accessories Cosplay/Costuming Halloween Reseller and School Packs Internet of Things - IoT Development Boards Batteries Gift Ideas Feather CircuitPython Circuit Playground Crickit - Creative Robotics Particle STEMMA Machine Learning micro:bit Add-ons & Accessories Bluetooth PPE ecommerce, open source, shop, online shopping

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A new partnership with GroupGets will help bring your projects to market!

This post is part of a series of guest posts by GroupGets and their appointed experts to talk about project crowdfunding and early-stage product development, from successes to battle wounds. It started with a chance encounter at the DEFCON 25 hacking conference in Las Vegas back in...

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tools arduino xbee cables robotics sensors/parts leds books project breakout boards batteries el wire/tape/panel enclosures/cases components parts rfid nfc lcds wearables solar fpga electronics raspberry pi mbed android idevices wireless circuit lasers makey makey cnc 3d printing diy kits dev boards ecommerce open source shop online shopping

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A new partnership with GroupGets will help bring your projects to market! This post is part of a series of guest posts by GroupGets and their appointed experts to talk about project crowdfunding and early-stage product development, from successes to battle wounds.

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Turning Electron Configurations into Sound

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Turning Electron Configurations into Sound

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Video

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Turning Electron Configurations into Sound

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Turning Electron Configurations into Sound

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.pdf file

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Turning Electron Configurations into Sound

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Film Sphero dancing in the dark, build a holographic projector (yeah #makerspace), create a video of multiple dancing Spheros, and view a holographic projection of #amazement.

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Explore travel across Mars as written about in The Martian by Andy Weir. Specifically, recreate Mark Watney's trip from the Hab to the MAV (Mars Ascent Vehicle).

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Sphero Edu is your hub to create, contribute, and learn with Sphero robots. Grab a bot, fire up your imagination, and get started.

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Your hub to create, contribute, and learn with Sphero robots.

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Want to learn the fastest and easiest way to make ice cream? Check out this fun experiment!

Safety precautions

Warning! Only under adult supervision. Be sure to use oven mitts.

Equipment

two resealable bags of different sizes;

crushed ice;

salt;

2 tbsp sugar;

1 tsp vanilla powder;

300 mL milk;

200 mL cream;

oven mitts.

Step-by-step instructions

Pour 300 mL of milk and 200 mL of cream into a small resealable bag. Add sugar and vanilla powder to taste (recommended: 2 tbsp sugar, 1 tsp vanilla powder). Seal carefully. Pour some crushed ice and salt into a larger resealable bag. Put the smaller bag into the larger bag, seal, and shake for 15 minutes. (Be sure to wear oven mitts while shaking the mixture so as not to chill your hands!) Your ice cream is ready!

Process description

When the ice melts, the salt gradually dissolves in the forming water. This dissolution process requires energy (heat), and this energy is taken from the bag of milk and cream. The ingredients freeze, turning into ice cream. Processes involving the absorption of heat from the surrounding environment are called "endothermic." A 3:1 cooling mixture of ice and table salt can yield a temperature of about -21 °C. In this case, it is best to use finely-ground ice and salt to increase their contact surface area.

More simple and educational experiments are waiting for you in the MEL Chemistry subscription!

We have more chemistry articles for you:

"Mercury beating heart" experiment How to make a mercury drop pulsate

"Non-Newtonian fluid" experiment How to make a substance that can be both liquid and solid

You can do dozens of chemistry experiments at home!

Get cool experiment ideas, educational materials, and facts! No spam - just awesome science news once a week.

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Want to learn the fastest and eas­i­est way to make ice cream? Check out this fun ex­per­i­ment! Warn­ing! Only un­der adult su­per­vi­sion. Be sure to use oven mitts. two re­seal­able bags of dif­fer­ent sizes; crushed ice; salt; 2 tbsp sug­ar; 1 tsp vanil­la pow­der; 300 mL milk; 200 mL cream; oven mitts.

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Safety precautions

Wear protective gloves, glasses, and a mask. Work in a well-ventilated area. Perform this experiment under adult supervision only!

Reagents and equipment

soft drink in an aluminum can;

sandpaper;

beaker;

drain cleaner;

wooden rod;

glass container.

Step-by-step instructions

Buff the top layer of paint off of an aluminum can. Open the can and use a wooden rod to suspend it in a suitably-sized beaker. Add some drain cleaner (usually a 10% sodium or potassium hydroxide solution). Observe a tumultuous reaction and release of gas. Wait two hours. Take the can out of the liquid. It would seem that the aluminum has completely dissolved, but the drink hasn't leaked out!

Process description

This ordinary aluminum can is concealing a devious secret - it is covered with a protective layer not only on the outside, but on the inside as well! When we remove its paint coating, we expose the aluminum, which easily reacts with a drain cleaner that contains an alkaline component. But even when the aluminum has dissolved completely, the drink will not leak out. There is a second material inside the can - a layer of plastic that keeps the drink itself from interacting with the aluminum.

2Al + 2NaOH + 6H₂O = 2Na[Al(OH)₄] + 3H₂

We have more chemistry articles for you:

"Sweet fire" experiment How to make bicolour flame using sugar and potassium permanganate

"Green Omelet" experiment How to cook a green omelet

You can do dozens of chemistry experiments at home!

Get cool experiment ideas, educational materials, and facts! No spam - just awesome science news once a week.

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The secret of the Cola can: what is it hiding?

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Wear pro­tec­tive gloves, glass­es, and a mask. Work in a well-ven­ti­lat­ed area. Per­form this ex­per­i­ment un­der adult su­per­vi­sion only! soft drink in an alu­minum can; sand­pa­per; beaker; drain clean­er; wood­en rod; glass con­tain­er. Buff the top lay­er of paint off of an alu­minum can.

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Sugar, cabbage, milk needed

Molecular gastronomy

Did you think that chemistry and food don't mix? These two surprising experiments will show you how to make your own desserts from ordinary JUICE using a chemical reaction! The secret lies in two safe additives: calcium lactate and sodium alginate. The experiment involves dissolving sodium alginate in purees or liquid ingredients. Calcium lactate and sodium alginate react to form a gel-like film of calcium alginate, while the insides of the "lollipop" or "spaghetti" stay liquid.

Sugar crystals

Kids will love this experiment! It's the simplest way to grow your own crystals. You'll just need sugar, water, and a little patience.

Since more sugar can dissolve in warm water than cold water, when our solution begins to cool, the "extra" sugar precipitates as beautiful crystals. To make large crystals, add a string for them to grow on! Just roll the strings in sugar syrup and dip them in sugar ahead of time. In two weeks, you'll have grown your own rock candy.

Homemade soda

This experiment is great - not only are you learning about chemical processes, but you're handsomely rewarded in the end with a cup of refreshing soda! Just pour a teaspoon of baking soda into a cup, then add sugar to taste and squeeze the juice from half a lemon. Add water - and your soda is ready! The fruit acids in lemon juice react with baking soda to form carbon dioxide gas, which has a hard time dissolving in water and instead filters out as little bubbles. This makes our drink fizzy.

Green Eggs, but no ham!

How can we make a GREEN omelet while retaining a fresh, healthy taste? Just add... red cabbage! Red cabbage juice boasts a particularly interesting characteristic - it contains anthocyanins, which change colors depending on the acidity of their environment. In neutral surroundings, the juice is a reddish purple. But when added to a bowl of eggs, the egg whites' alkalinity causes the mixture to turn green. The alkaline environment doesn't change when heated, so the eggs stay green even when cooked.

While we're on the subject of breakfast - try the ultimate healthy homemade cottage cheese!

Put some milk on the burner, add calcium chloride and heat 20 minutes. Cow's milk is a dispersion system consisting of a suspension of fat drops, sugar, and proteins in water, all connected by mineral components. When a coagulant (such as calcium chloride solution) is added, the system's balance is upended and the proteins congeal (coagulate), making cottage cheese.

We have more chemistry articles for you:

You can do dozens of chemistry experiments at home!

Get cool experiment ideas, educational materials, and facts! No spam - just awesome science news once a week.

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Sugar, cabbage, milk needed Did you think that chem­istry and food don't mix? These two sur­pris­ing ex­per­i­ments will show you how to make your own desserts from or­di­nary JUICE us­ing a chem­i­cal re­ac­tion! The se­cret lies in two safe ad­di­tives: cal­ci­um lac­tate and sodi­um al­gi­nate.

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Experience a new level of understanding science in VR.
Over 30 VR lessons and tests covering the school chemistry curriculum.

Improve your class performance by up-to-date educational techniques

MEL Chemistry VR lessons are aligned with the school chemistry curriculum, covering all of its main topics.

Difficult chemistry concepts are easily explained - the ability to interact with educational material builds up solid knowledge and long term memory.

One lesson is 3-7 minutes long and is easily integrated into the classic lesson flow, just making the subject more visual and comprehensive.

VR lessons covering the main chemistry curriculum topics

I found myself wanting to show the lessons to my class immediately
Brinn Belyea, Chemistry teacher

A glimpse into the future of chemistry education
Adrian Dingle, Chemistry Author and Educator

Teacher mode

Control the lesson flow using the special teacher mode with a few touches of your tablet:

Instantly connect to all the student devices

Start and pause the lesson

Control the progress of each student

VR brings chemistry education to a new level

Start using VR in your chemistry class right now

Don't have a VR classroom yet?

Contact our partners and receive a full VR set for your class in no time.

Frequently Asked Questions

Do you offer free trials of MEL VR Lessons?

We offer 5 free sessions of MEL VR lessons. Please fill out our form here to download the (free) app to begin your trial.

What equipment do I need in order to use MEL VR Lessons?

For the MEL VR app to work correctly, you'll need the following equipment:

Phone (student device) - iPhone 5 or above, or Android 4.4 or above. iPod touch is not supported

Tablet (teacher device) - iPad 2015 or above or Android device 4.4 or above

Operating System - iOS 9.0 or above and Android 4.4 or above

VR Headset - Google Daydream, Oculus Go, Gear VR or any Google Cardboard device with a touch button and without magnet control

Do I need to install any additional apps to access the VR Lessons?

You will need to install the free Google Cardboard app

Who can I contact regarding technical support?

Please contact our customer support service at 1 (855) 971-2330 or support@melscience.com

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Experience a new level of understanding science in VR. Over 30 VR lessons and tests covering the school chemistry curriculum. MEL Chemistry VR lessons are aligned with the school chemistry curriculum, covering all of its main topics. Difficult chemistry concepts are easily explained - the ability to interact with educational material builds up solid knowledge and long term memory.

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One option for AR content.

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Welcome to Chromville! The new creative education Stay updated with Chromville's latest and greatest. PRINT the coloring pages HERE

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One option for creating stop motion videos.

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The Lexicon helps people pay closer attention to where their responsibility begins for creating a healthier, safer food system.

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Application for making 360 images. Download from the app store for your mobile device.

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Application for photo editing. Download from the app store for your mobile device.

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Inspiration for the music projects

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Teacher's Guide

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The Great Big Guide to Paper Circuits - learn.sparkfun.com

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Paper circuits are becoming more and more popular in the hobby electronics world. The easy availability of craft-like materials and increasing abundance of new products has created a really unique ecosystem for crafters looking to make the leap to electronics projects. This guide is an overview of materials and techniques available to paper circuit crafters.

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Step-by-step

We make it easy to learn how to make anything, one step at a time. From the stovetop to the workshop, you are sure to be inspired by the awesome projects that are shared everyday.

Made By You

Instructables are created by you. No matter who you are, we all have secret skills to share. Come join our community of curious makers, innovators, teachers, and life long learners who love to share what they make.

A Happy Place

Making things makes people happy. We can't prove it, but we know it to be true. Find your happy place, and join one of the friendliest online communities anywhere.

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We make it easy to learn how to make anything, one step at a time. From the stovetop to the workshop, you are sure to be inspired by the awesome projects that are shared everyday. Instructables are created by you. No matter who you are, we all have secret skills to share.

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Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials. Satisfy your curiosity without ever getting full.

Don't miss our Special Collections.

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Science Snacks: Projects and Activities You Can Do!

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Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials. Satisfy your curiosity without ever getting full. Don't miss our Special Collections.