1. Natural Sciences and Technology Grade 6
Term 3: Energy and Change
Systems to solve Problems

2. Topic 3 Systems to solve problems
Electric Circuits
Natural Sciences and Technology - Grade 6

3. Natural Sciences and Technology - Grade 6
Electric Circuits
Electrical circuits are often used to solve electrical problems.
A circuit needs a cell (battery – source of energy), a conductor (wire) a light bulb or a switch .
Natural Sciences and Technology - Grade 6

4. Symbols used to represent different components in a simple circuit
battery cell wire/conductor
Natural Sciences and Technology - Grade 6

5. Symbols used to represent different components in a simple circuit
Open switch light bulb closed switch
Natural Sciences and Technology - Grade 6

6. Natural Sciences and Technology - Grade 6
A cell and a light bulb
Natural Sciences and Technology - Grade 6

7. Natural Sciences and Technology - Grade 6
Two light bulbs in parallel and two cells in series
Natural Sciences and Technology - Grade 6

8. Natural Sciences and Technology - Grade 6
Two parallel cells and two parallel light bulbs
Natural Sciences and Technology - Grade 6

9. Natural Sciences and Technology - Grade 6
Crocodile clips
Crocodile clips are attached to the ends of the conducting wire for easier gripping.
Natural Sciences and Technology - Grade 6