jquery animate/toggle

I have recently been playing with jquery and wanted to find the best solution for an FAQ page.

with the code I have found, it works for 1 question, but if I had 30 questions on an FAQ page they would all animate up/down at the same time.  Whats the best way to edit this so I can have multiple questions that open individually onclick?  

What I have been able to piece together is the following:

<script type="text/javascript" src="//code.jquery.com/jquery-1.11.0.min.js"></script>
<script>
 $(document).ready(function() {
 
    $('.faq_question').click(function() {
 
        if ($(this).parent().is('.open')){
            $(this).closest('.faq').find('.faq_answer_container').animate({'height':'0'},500);
            $(this).closest('.faq').removeClass('open');
 
            }else{
                var newHeight =$(this).closest('.faq').find('.faq_answer').height() +'px';
                $(this).closest('.faq').find('.faq_answer_container').animate({'height':newHeight},500);
                $(this).closest('.faq').addClass('open');
            }
 
    });
 
});
</script>
<style>
/*FAQS*/

.faq_question {
	margin: 0px;
	padding: 0px 0px 5px 0px;
	display: inline-block;
	cursor: pointer;
	font-weight: bold;
}
.faq_answer_container {
	height: 0px;
	overflow: hidden;
	padding: 0px;
}
</style>

<div class="faq_container">
  <div class="faq">
    <div class="faq_question">Question goes here</div>
    <div class="faq_answer_container">
      <div class="faq_answer">Answer goes here</div>
    </div>
  </div>
</div>

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