Do 3 of the following:
Name and explain the use of 5 different kinds of machines such as trucks, construction machinery or farm machinery.
Explain the functions of the following items: * a. Pulley. * b. Lever. * c. Wheel and axle. * d. Demonstrate how each of the above items makes heavy work easier to manipulate and complete.
Explain how solar power works through appliances such as a solar hot water system.
Make a small model of a boat with a rudder and demonstrate how it can be made to move by itself. Explain the use of a rudder.
Complete a working drawing of a machine such as a wind pump or water turbine, showing top/bottom and side views and explain how it works with the appropriate power source.
Make a working machine model using a mechanical construction set and explain the possible functions your machine could perform.
Find out about a famous engineer and share what you have learned.