Answer: Convection defines the heat transfer by air or water. It is the process by which heat is transferred from a hotter body to a colder body.
Explanation:
Examples of convection are: Steam rising from a coffee mug, smoke rising from campfire, heater blowing warm air.
The warmer air moves up and the colder air sinks in or down. This is how the convection works.
The heat from coffee moves through the steam particles into the air. Another example is heated air blows from the blower. The smoke rising from fire carries warm air to the upside and colder air to downside.
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Little Man takes the book back to his desk, but when he opens it, sees something inside it that makes him throw it on the floor and stomp on it.
Cassie looks inside her book and sees columns listing the book's condition and the race of the student for every year from 1922-1933. This is the first year that the book's condition is listed as "very poor" and the first time that the race of the student is listed as "nigra" instead of "white."
As Miss Crocker is about to take the switch to Little Man, Cassie explains that her brother can already read and shows the teacher why he was angry.
Miss Crocker tells Cassie that the books says "nigra" because that's what she is and orders her to sit down. Cassie tells Miss Crocker she doesn't want her book either. Miss Crocker takes the switch to both Little Man and Cassie.
