New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
  	keywordSearch(searchTerm) {
    	this.set('searchResults', searchTerm);
    }
  }
});

index-search.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

index-search.template.hbs

{{search-field on-search=keywordSearch}}

search-field.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
  	submitForm() {
    	this.get('on-search')(this.get('term')); 
    }
  }
});

search-field.template.hbs

<form {{action 'submitForm'}}>
	{{input type="text" value=term}}
	<button type="submit">Search</button>
</form>

templates.application.hbs

<h1>Search</h1>
{{index-search keywordSearch=(action 'keywordSearch')}}

<h2>Results</h2>
{{searchResults}}

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": true,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}