Building a computer

One of the best ways to learn about computers is to spec a computer and then build it. Putting the components together  and then installing an operating system gives a great sense of achievement and reinforces the learning process.

I remember the days...

 I remember the days when we could take the quadrat outside and count the number of daisies or buttercups

Ring Launcher

 The new Ring Launcher arrives, firing a ring vertically a metre into the air. This should be entertaining when having a look at electromagnetic induction. We had fun making the film yesterday.

Virtual Calculators

 When demonstrating using a calculator to the students, there are three options. Using a calculator on a visualizer, having a software version on the board, or using web programs like GeoGebra or Desmos or others. I use them all.

Silver in the light

 Investigating the effect of light on Silver Chloride. Students are amazed how photographs were made using chemicals and plates.

Coulombs law

 

Trying the look at Coulomb’s law, we got a separation of .1m and 12uC and 15uC on the balloons and gave us an idea of the force. We compared electrostatic and gravity - got 10^72

Electrostatic Force

 Measuring the electrostatic force using a charged piece of PVC on a piece of polystyrene and bring a like charged piece near it and seeing the force on the balance