Teacher Centered. Solution Oriented. Technology Based.

Untangle Your Circuits!

Making the leap from circuit diagrams to functioning circuits has never been so clear or intuitive. Circuits can be easily built and tested enticing students to more thoroughly explore the behavior of electricity. Your students will no longer be frustrated trying to trace out the electrical pathway through a nest of wires.

Supports inquiry learning – circuits can be easily modified and be quickly swapped out and rearranged

Compatible with both traditional and computer based labs – works with PASCO’s sensors as well as traditional Volt and Ammeters

Classroom management is a breeze – Storage is made simple with the included
Grattenels case and nesting trays

  • The 8 cm by 8 cm modules ensure that all students in a group can clearly see the completed circuit
  • Physical Components (resistors, batteries, switches, etc.) with identifying electronic symbols are visible on the surface of the modules
  • At a glance errors in a circuit can be quickly found without checking each connection

The Basic Kit includes enough modules to do 5 basic experiments:
  • Ohm’s Law
  • Series/Parallel Circuits
  • Batteries & Bulbs Circuits
  • Switches/Open/Closed Circuits
  • Electric Power & Energy

The Advanced Kit includes the Wireless Current & Voltage Sensors and modules for 7 additional experiments:
  • Kirchoff’s Laws
  • Electromagnets
  • Electromagnetic Induction
  • RC & RL circuits
  • Variable Resistance
  • LED Circuits
  • Electric Motors

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Rhonda & Craig Invade LA – NSTA 2017 Recap

We were thrilled to attend this year’s NSTA national conference in Los Angeles.

Our first destination was the exhibit hall where PASCO had a very lively booth with several interactive displays.  By far the biggest hit  was the ‘Match Graph’ challenge with a super-sized Smart Cart.  Who knew that learning could be this much fun!  Check out the video to see my less than stellar attempt.

PASCO’s booth was fun, however, the real action was in the teacher facilitated workshops.  In total PASCO had 20 unique hands-on sessions that were over flowing with enthusiastic teachers.  Time didn’t allow us to see all the sessions, but we did manage to squeeze our way into a very energetic session on the new Modular Circuit Kits.  Teachers had a great time ignoring instructions and spent most of the session designing their own unique circuits – obviously investigative learning is not just for students.

We were also fortunate enough to get a seat at PASCO’s workshop session on climate change.  The session featured several hands-on modeling activities, including an investigation where teachers used the Wireless pH sensor to monitor the mitigating effects of natural buffers on acid rain.  The biggest hit of the session was seeing PASCO’s new Wireless Carbon Dioxide sensor in action.  Teachers were excited to discover that a reliable, practical and affordable way to measure CO2 has finally arrived.

Over the next week we’ll share some more videos on our adventures at the conference.




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Test the Rainbow! Understanding pH

Students often struggle understanding pH. While we can tell them that it is a logarithmic function, students are more likely to associate “logs” with a calculator button or a piece of wood. So how do we get them to understand what the pH scale really means? Look for a lesson, instead of a pot of gold, at the end of a rainbow.

Let’s start with the acids. First have the students pour 10 mL of 0.1 M HCl into a test tube. Using graduated cylinders and pipets they can add 1 mL of that solution to another test tube with 9 mL of water making a 0.1 M solution. They should repeat the process of taking 1 mL of the previous solution and adding 9 mL of water until there are 5 solutions. They won’t know it, but they just performed a serial dilution. Now they can add some universal indictor to the solutions for a splash of colour.

Indicators are nice, but they really are just an indicator. In this case the indictor was not able to distinguish between the first four test tubes. (Note to self: get some new universal indicator!). Since the true colors aren’t shining through, it’s important to remember that to really understand pH, your students need to take actual pH measurements.

Now comes the pHun part! After recording the data for the solutions, it is important for students to try to make some meaning out of those measurements. Time to dust off those concentration calculation skills. They should be able to calculate the concentration, and write the concentration of the acids in scientific notation.

No need to travel somewhere over the rainbow, all your students need now are some good guiding questions and they should see that pH is primarily based on the negative exponent of the concentration of H+.  With this understanding, pH=-log[H+] can be something more powerful than just a formula to plug and chug in calculator.


You can even extend this activity to pOH and its relationship to pH if you drop the base. Following the same procedure, students can perform a serial dilution starting with a 0.1 M NaOH solution.


After this colourful and engaging activity with the Wireless pH sensor and some fresh universal indicator, your students will be able to find the rainbow connection:  a better understanding of the pH scale, what it means and how it’s measured.

Products Used

Wireless pH Sensor PS-3204 $107


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Ready to Ship Advanced Physics Teaching Apparatus

It’s hard to believe that the end of the budget year is fast approaching.  If your department has unspent funds now is a great time to consider acquiring one or more of PASCO’s premier instructional apparatus.  The very popular featured products below are all in stock and can be shipped in time to make this year’s budget deadline.

1. Microwave Optics

The transmitter emits a large 3 cm wavelength that makes it easy for students to visualize and understand electromagnetic interactions. The system can be quickly adjusted with magnetic mounting components, rotatable transmitters and receivers and a Goniometer with rotatable arms featuring built-in degree and millimeter scales. Durably designed, the system will provide years of trouble free labs with components made of either cast-die aluminum or stainless steel.

WA-9314C ($2995) – Basic System for investigation electromagnetic interactions

WA-9316A ($3995) – Advanced System includes accessories for Brewster Angle and Bragg Diffraction experiments

2. Educational Spectrophotometer System

This very versatile system’s open design is ideal for education. When used with Capstone software, students can graph the spectral lines of gases; precisely measure the relationship between angle wave length and intensity; and analyze the transmission characteristics of filters and chemical solutions. The sensors can connect to PASCO’s full range of interfaces including the very affordable Wireless Airlink or the powerful 850 universal interface.

OS-8450 ($1912) – Includes Light and Rotary Motion Sensors and Optics Bench

OS-8537 ($1257) – Sensors and Optics Bench not included

3. Photoelectric Effect System

Planck’s constant is a central quantity in quantum mechanics and its discovery was one of the greatest breakthroughs in understanding the nature of light.   With this system your students will be able to perform the photoelectric experiment to determine Planck’s Constant to within 5%. Students will also be able to verify that stopping voltage is independent of intensity and find the characteristics of the photodiode. Can be used with the 850 Interface and Capstone software

SE-6614 ($3156) – Basic System, includes Mercury Light Source with Hg tube

SE-6609 ($5666) – Basic System plus DC Current Amplifier and DC Power Supply

4. Electron Charge-to-Mass Ratio System

This system reproduces J.J Thompson’s landmark experiment to calculate the charge-to-mass ratio of the electron. A very sharp and visible electron beam within the vacuum tube allows for its radius (R) to be easily measured using the built-in fluorescent scale. The system also provides a measurement for the accelerating potential (V) applied to the electron gun as well as the magnetic field (B) produced from applying a current to the Helmholtz coils. With these measurements students can then accurately calculate the electron’s charge to mass ratio using the formula e/m=2V/B2R2.

SE-9629 ($6555) – Complete system with e/m tube and power supplies

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AYVA Educational Solutions Ltd. was launched in 2008 as the new Canadian distributor for PASCO Scientific. Our PASCO Canada division offers a complete range of traditional physics equipment and award-winning data acquisition systems for chemistry, biology, earth and physical sciences.

In recent years we expanded our product offerring to include the best-in-class training equipment for undergraduate engineering labs. Today we are the exclusive Canadian distributor for TecQuipment (England), Pignat and Erides (France), Elettronica Veneta (Italy), Marcraft (USA), as well as KUKA Robotics and Bosch Rexroth (Germany).

In 2017 we moved into our new building in Oakville, Ontario so we could further grow the AYVA Team and better serve our loyal customers.

AYVA Educational Solutions | 7-233 Speers Road, Oakville ON L6K 0J5
Toll Free: 1-877-967-2726 | Phone: (905) 337-5938 | Fax: 1-877-807-2726