Read this excerpt from A Black Hole Is NOT a Hole. Friction is what makes your hands warm up when you rub them together really fast, or what makes rubber burn when a car screeches to a halt, tires skidding on the road. Which statement best identifies the description in this sentence? Examples are used to describe friction. A characteristic of warmth is described. Examples are used to describe car tires. A feature of burned rubber is described.
