Design and Technology Grade 4 Car Windshield Wiper

---------- Forwarded message ----------
From: "Chandani Fernandes" <chandani.fernandes@gmail.com>
Date: Jul 7, 2016 10:32 PM
Subject: Design and Technology Grade 4 Car Windshield Wiper
To: "Nabila Khatri" <khatrinabila@gmail.com>
Cc:

Design and Technology Grade 4

Car Windshield Wiper

This working model of the windshield wiper is based on the principle of conversion of motion. Students learnt how rotational motion (movement of the crank) is converted into an oscillatory motion (movement of the wipers).