Question

roberto is sliding down a plastic slide on the playground. after he reaches the ground, he feels a small electric shock when he touches a piece of metal. what has been built up on his body that causes the shock?

atoms

electrons

neutrons

protons

Explanation:

When sliding down the plastic slide, friction causes electrons to transfer and build - up on Roberto's body. When he touches the metal, the excess electrons flow, creating a shock. Atoms are overall neutral, neutrons have no charge, and protons are bound in the nucleus and don't move easily in this context.

Answer:

B. electrons