grade 9 tech

Gears In this chapter, you will revise spur gear systems and how they can be used...

Mechanisms at home Figure 1: A can opener Figure 2mechanical advantage, which in turn gives us...

Mini-pat mechanical systems and control Figure 1Week 1 Who can help Maria to get started? In...

Component symbols and simple circuits In this chapter, you will revise the work you did on...

Figure 1 Figure 2: Which way of hoisting a heavy bag is the easiest? Change direction...

Hydraulic machines In this chapter you will investigate how hydraulic systems are used in some practical...

Mini-pat 1 a bridge to help the community Over the next six weeks, you will design...

Mini-pat electronic systems and control     Figure 1: Many everyday devices use electronic control circuits. electronic...

Extending the shelf life of food In the last chapter, you learnt about preserving metals by...

Plastics In this chapter, you will learn about the various types of plastic. You will also...