How is brightness affected by batteries and bulbs connected in series?

In this video, I shared a method to help students remember how the brightness in each light bulb is affected by batteries and bulbs connected in series. This topic is in the theme Systems, Upper Block Science.
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Opening and ending music pieces by Lynn Koo.
https://soundcloud.com/lynnkoo

Click below for a circuit construction simulation kit.

Click to Run

Explaining an electric bell circuit to a child

In this video, I explained an electric bell circuit to a child. This topic is in the theme Systems, Upper Block Science.
Please consider subscribing to watch more!

Opening and ending music pieces by Lynn Koo.
https://soundcloud.com/lynnkoo

Click below for a circuit construction simulation kit.

Click to Run

Electric current for primary school science

Electric current (addressing misconception) for
Upper Block Science > Systems > Electrical Systems
Please consider subscribing to watch more!

Opening and ending music pieces by Lynn Koo.
https://soundcloud.com/lynnkoo

Click below for a circuit construction simulation kit.

Click to Run