Batteries

This is in 3 parts

1. Outline on construction

• Example:

http://electronics.howstuffworks.com/battery1.htm#

Sited:

Brain, Marshall, and Charles W. Bryant. "How Batteries Work" 01 April 2000. HowStuffWorks.com. 30 November 2010.

http://www.tpub.com/neets/book1/chapter2/1e.htm

Interesting stuff on what a Hydrometer is and how you can use it to find the state of a battery.

Read the stuff on the tpub.com site you need to scoll down a bit

Q29.What is the purpose of the hydrometer?

Terminologies:

Cell:

Positive:

Plates:

Electrolyte:

Colour:

Hydrometer:

Task: Find several facts on... Include links, pictures, Videos. Supporting these with wrtitten explainations of why you have choosen these, what you see in them and what you have learnt from them.

You will be using these in a classroom discussion

You will be receiving feedback on your blogs and on what is discussed at all times

Critical thinking is expanded on

Problem Solving is experienced

Reflection on process and your path of learning ie what went wrong or right, what I will never do again and what I might do better next time.

2. Testing the Battery

• Example

Task:

Student now goes into Inquiry mode:

Focus is on 12 volt lead acid battery

State of battery... Search sites and books... manufacturers specs..

State of Charge... Load current, think about this...Voltage held

Using a Load tester.... Check the battery capacity ... instructions on how to use...

Video of load tester... How did I find this?

Video

So you have had to go into inquiry mode on your own. How did you find this? What was hard? What was easy? Did you enjoy having this freedom to learn?

Did you use Web 2.0 stuff?

Include links, pictures, Videos. Supporting these with wrtitten explainations of why you have choosen these, what you see in them and what you have learnt from them.

3. Charging

http://atdtools.com/product.php?id=5492

PDF on tester

• Example

Task:

Before using the tester in the workshop you will need to get together in a group and....

Make a video on how to use the tester.. The best one will be used as a resource for future students.

Use the PDF to aid you.

You are now asked to reflect on your video and what you have learnt while doing this.