sentence: Similar charges repel each other.
sentences_before: Electricity works because electric charges push and pull on each other.
sentences_after: This means that if you put two positive charges close together and let them go, they would move apart. Two negative charges also repel. But different charges attract each other. This means that if you put a positive charge and a negative charge close together, they would smack together.
concept_name: similar charge
headings: Electricity Electricity in physics
categories: Basic English 850 words