Spin the wheel

​Steps: How to play the game

• Click on start.

• Read the question and choose the answer. It shows correct answer after the attempt.

• Then click on next to move on to the next question.

• After each correct attempt you will be given a chance to spin the wheel and earn points to win the stars.

Objective

Nickel-cadmium (Ni-Cd) batteries were the first rechargeable batteries widely used in portable electronics, and they can be recharged hundreds of times, making them more durable than many other battery types!

Fun fact

Understand the working principles, components, and applications of lead-acid cells, dry cells, and nickel-cadmium (Ni-Cd) cells in electricity storage and supply.