Separation Techniques & Electric Circuit

Why do we need to separate mixtures?

How can we separate solids?

How can we separate a solid from a liquid?

What is an electric circuit?

Which materials allow an electric current to flow through?

How do we represent an electric circuit using a diagram?

What are the different types of electric circuits?

What affects the brightness of a bulb in a circuit?

How is electricity produced from different sources of energy?

What is the role of a generator in electricity generation?