In Chapter 4-7, how did Jem get even with Scout for contradicting him about "Hot steams"?

Hot steams is a supersition. Jem explains it to Dill in
chapter 4:

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"Haven't you ever walked along a lonesome road
at night and passed by a hot place?" Jem asked Dill. A Hot Steam's somebody who can't
get to heaven, just wallows around on lonesome roads an' if you walk through him, when
you die you'll be one too, an, you'll go around at night suckin' people's
breath."

The children are on
summer vacation and they are trying to figure out a game to play. In front of the Radley
house, Dill says "I smell death" and then he proceeds to tell how it is possible to know
when someone is going to die. This conversation brings up the topic of hot steams. When
Jem tells Dill what hot steams are, Scout contradicts him, telling him that they are not
real, and that Calpurnia has told the children that hot steams "is nigger talk." Jem
gets angry about this, so when the children decide to play with an old tire, Jem is too
big to get into the tire, so Scout gets in, Jem pushes her too hard because he is angry,
and she winds up rolling right in front of Boo Radley's
house:

The
tire bumped on gravel, skeetered across the road, crashed into a barrier and popped me
like a cork onto pavement. Dizzy and nauseated, I lay on the cement and shook my head
still, pounded my ears to silence, and heard Jem's voice: "Scout, get away from there,
come on!"