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.

Wednesday, 13 April 2022

Investigating Heating and cooling

Investigating Heating and cooling using a couple of @pascoscientific wireless thermometers and Capstone. The difference was very dramatic and was much better than using a Leslie cube and different coloured cans. #iteachphysics




Tuesday, 12 April 2022

Doppler Rocket

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