Wednesday, 20 April 2022

Sometimes we just need to get the pullies out in Maths.


Maths is largely an abstract subject, but sometimes when studying subjects like Mechanics, then it is necessary to get the pullies out to improve our understanding of the problem and then the quality of the learning increases dramatically.

Tuesday, 19 April 2022

Rapid V/I Curves

 Using @pascoscientific voltage-current sensor with the wireless airlink to create a very fast V/I straightline for a resistor and a not so straight line for a bulb.



Monday, 18 April 2022

Food Tests

Students trying to remember

Benedict's Reducing Sugars

 

Biuret Proteins


Iodine Starch


Fats Alcohol and cold water




Sunday, 17 April 2022

Goldleaf Electroscope




 I really hadn't appreciated how hard it would be to get a gold-leaf electroscope working. The first model I had used dutch metal and I couldn't get it to work, but this model with real gold leaf did work eventually with me leaning how to attached the gold leaf properly. Putting the gold-leaf on is really quite difficult until you know how.

Saturday, 16 April 2022

Woolly Human Gut


A few years ago my wife knitted the entire human gut. It is popular with the students as it is fun to hold and it is life-size so they a sense of the scales and proportion of the gut. It also fits in an abdomen sized clear bag which shows more what if looks like in the body.

Friday, 15 April 2022

Specific Heat Capacity

 Managed 4 specific Heat capacity experiments, Copper, Brass, Aluminium and Iron in 1 hour using @pascoscientific wireless thermometer and Joulemeter from @SciChemEdu  #iteachphysics






Thursday, 14 April 2022

Looking at Hydrides


Using @Snatoms to look at the hydrides comparing their properties and looking at hydrogen bonding.

Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...