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Here you will find free STEM resources for teachers and students.

These are short notes, explanations, activities, and other tidbits to whet your appetite for more STEM learning.

Create an Android App with MIT's App Inventor to display the current Bitcoin Price

You will be amazed how easy it is to churn out this fun app. I hope this spurs your interest in App Inventor.
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Use an Arduino to calculate the Lunar Eclipses for a given year.

Arduino is a powerful little computer that can do complex calculations. Try this neat program and see for yourself.
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Use an Arduino to calculate the positions of Jupiter's Moons

Arduino is a powerful little computer so let's get computing!!
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Learn how to use this inexpensive add on to the Arduino

If you bought this off of Amazon or eBay, you notice it didn't come with instructions. That's where we come in.
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Learn what a Memory Controller is and see how it can replace a logic circuit

Most computers rely on logic circuits to do their work. But if you have some ROM chips lying around, you have lots of possibilities for replicating digital logic circuits.
Game of Life
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Play the Game of Life with an Arduino

Ok, it's not so much a "game" as much as it is a simulation. Even so, watching your lifeforms grow and die over time based on some simple rules is a lot of fun. Try it out.
Game of Life
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Investigate Switch Bounce with an Arduino

Switch bounce can cause havoc in your code if you don't know how to handle it. Let's look at this phenomenon and see if we can measure its effects.
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Create a simple reaction timer with Arduino

Just add an LED and a couple of switches to an Arduino and you have a fun reaction time keeper. Then test to see how quick your reflexes are.
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Create a simple binary clock with Arduino

Just add an LED matrix to an Arduino and you have a fun way to teach binary. Oh, and it tells the time too.
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Cryptocurrency

Bitcoin, Litecoin, Ethereum. Are these new currencies for real? Have you even heard of them? Read this very basic introduction to crytocurrency and make sure you are ready for the revolution!
cryptocurrency.pdf
File Size: 558 kb
File Type: pdf
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Calculate the local gravitational acceleration with Arduino

This is a great weekend project with an Arduino and some household items.
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Play a cool Mastermind-like game using just an Arduino

This is a fun and quick project that is just ripe for modifying!
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Diffusion vs. Capillary Action

Of these two equalizing forces, which is stronger? Perform this fun experiment to see for yourself.
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Dish Soap Boat

Can dish soap actually fuel a boat through the water. Try this simple and fun experiment to see for yourself.

Bernoulli and his Principle

bernoulli_principle.pdf
File Size: 686 kb
File Type: pdf
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Learn about the principle that keeps planes aloft.

Watch this Video Series on Light and Matter interaction

This 3 part series talks about the 3 major ways incident photons interact with matter.
1: The Photoelectric Effect
2: Compton Scattering
​3: Pair Production

Time Dilation

It is mind bending but true. Traveling fast slows down time. How much younger will the first people to Mars be when they land. Let's find out.
time_dilation.pdf
File Size: 775 kb
File Type: pdf
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Simple Navigation

How did the early explorers transit the ocean? Learn the basics of Dead Reckoning and Lines of Constant Latitude.
simplenavigation.pdf
File Size: 1206 kb
File Type: pdf
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Unit Conversion

Unit conversions occur in a lot of subjects in school and in life. Knowing how to do them accurately will give you the confidence to express yourself in the units you want.
unitconversion.pdf
File Size: 687 kb
File Type: pdf
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Planetary Data

A chart of some key values for the planets in our solar system. And I included Pluto. You got a problem with that?
planetdata.pdf
File Size: 526 kb
File Type: pdf
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The Atmosphere

Do you know the 5 layers of our atmosphere? You will.
atmosphere.pdf
File Size: 573 kb
File Type: pdf
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Partial Pressure

Are you safe in a room with 20% oxygen? You may not be. Take a ride on the International Space Station to find out why.
partial_pressure.pdf
File Size: 842 kb
File Type: pdf
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The Phase of the Moon

You can look outside. But why when you can calculate it? Calculate the Julian Day and use it to see how many New Moons we have had since the reference date. Then, see how far we are into the current cycle. Grab your calculator!
moonphase.pdf
File Size: 762 kb
File Type: pdf
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Radiation Shielding

One of the major challenges to a flight to Mars is the radiation exposure. Can you come up with a scheme to protect our astronauts that doesn't break the nation budget?
radiationprotection.pdf
File Size: 725 kb
File Type: pdf
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Optimization

How much fence do I really need? Fence is expensive. Let's look at how an engineer would design it for lowest cost. Optimization is an important tool to understand. 
optimization.pdf
File Size: 740 kb
File Type: pdf
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Photon Diffusion for the Sun

Have you ever heard that it takes about eight and a half minutes for light from the sun to reach Earth? That's kinda true. Read the other half of the story and be amazed.
photon_diffusion_for_the_sun.pdf
File Size: 852 kb
File Type: pdf
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Probability of Same Birthday

How many people do you need to have in a room to make the odds that two of those people have the same birthday be 50/50? Do you know? Can you guess? You may be surprised what the math shows us.
probability_of_same_birthday.pdf
File Size: 702 kb
File Type: pdf
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Photoelectric Effect

Einstein lost a lot of electrons and little sleep over this Nobel Prize winning discovery. Read how electrons can get so excited they ditch their atoms. And what about that hazy moon dust? 
photoelectric_effect.pdf
File Size: 572 kb
File Type: pdf
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Quantum Tunneling

The sun shouldn't shine. But it does. And all because basketballs can pass through walls. Find out how quantum tunneling seemingly does the impossible.
quantum_tunneling.pdf
File Size: 585 kb
File Type: pdf
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Reverse Osmosis

Osmosis is how cells conduct business and plants suck up water. But what is it really? Find out how to make fresh water from sea water with this neat little process.
reverse_osmosis.pdf
File Size: 593 kb
File Type: pdf
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Ballistics

Ballistics is the study of projectiles in motion. Amazingly, using calculus, you can derive all of the needed equations by just starting with what Newton figured out so long ago. Things fall down.
ballistics.pdf
File Size: 845 kb
File Type: pdf
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  • Home
  • Products
    • Systems >
      • Starship
      • Introduction to Electronics
      • 4-bit Microprocessor Trainer
      • Internet of Things
      • Write a Phone App
      • Introduction to Arduino
    • Labs >
      • SubLabs
  • Blog
  • Free Resources
  • About
  • Contact
  • Policies