The unit of DC electricity involves 16 activities altogether, some of them consists of several parts.
They offer a wide range of IBSE activities on different inquiry level, so that you can choose the activity that is appropriate for your own curriculum.
Here is the possible arrangement of the activities with respect to the e-learning cycle.
| Activity Name | Inquiry Type | E-emphasis |
|
1. Electric current, battery and bulb |
||
|
How torch works |
guided discovery/guided inquiry |
Engage/explore |
|
Construct a simple electric device |
bounded inquiry |
Engage/explore |
|
2. What material conducts electric current? |
guided inquiry |
Explore/Explain |
|
3. How is it connected inside the black box? |
guided discovery/inquiry |
Explore/Explain |
|
4. Measuring current and voltage |
guided inquiry |
Exploration |
|
5. Electric element in a dc circuit |
||
|
Resistor |
guided discovery |
|
|
Bulb |
Explore/Explain |
|
|
Other elements in a dc circuit (diode) |
||
|
What element is hidden in the black box? |
bounded inquiry |
Extend/elaborate |
|
6. Resistance and temperature (build your own thermometer) |
||
|
Metal conductor |
guided inquiry |
Explore/Explain |
|
Thermistor |
guided inquiry |
Explore/Explain |
|
7. Model of electric conductivity (why is it more or less resistive) |
Interactive discussion/demonstration |
Explain |
|
8. Does human body obey Ohm's Law? |
bounded inquiry |
Extend (elaborate) |
|
9. Intriguing behaviour of bulbs |
||
|
Two identical bulbs in series |
guided inquiry |
Extend (elaborate) |
|
Two different bulbs in series |
guided/bounded inquiry |
Extend (elaborate) |
|
Switch on the circuit |
bounded inquiry |
Extend (elaborate) |
|
Two identically labelled bulbs |
bounded inquiry |
Extend (elaborate) |
|
10. Build your own battery |
||
|
Coins in solution |
guided inquiry |
Engage/explore |
|
Fruit cell |
guided inquiry |
Engage/explore |
|
Lead storage battery |
interactive demonstration |
Engage/explore |
|
11. Battery and its basic parameters |
||
|
Terminal voltage |
guided discovery |
Explore/explain |
|
Power transfer to the load |
guided inquiry |
Explore/explain |
|
Power transfer efficiency |
guided inquiry |
Explore/explain |
|
Build up a model of battery behaviour |
bounded inquiry |
Explore/explain |
|
12. Batteries in series and in parallel |
bounded inquiry |
Extend (elaborate) |
|
13. How electric eel kills its prey |
bounded inquiry |
Extend (elaborate) |
|
14. How much energy is stored in a battery? |
guided inquiry |
Explore/explain |
|
15. Batteries and their reasonable use |
open inquiry |
Elaborate/evaluate |
|
16. Other alternative electrical sources |
||
|
Fuel cell |
Bounded inquiry |
Extend (elaborate) |
|
Photovoltaic cell |
Bounded inquiry |
Extend (elaborate) |