<h2>
	GETTING READY</h2>
<h3 style="margin-left: 40px;">
	<a name="TOC-Materials"></a>Materials</h3>
<ul style="margin-left: 40px;">
	<li>
		One set of containers per group, ranging in size:
		<ul>
			<li>
				2 small glasses/test tubes</li>
			<li>
				One small beaker, glass, or small soda bottle that holds at least 6 ounces (200 mL, or about 3/4 cup)</li>
		</ul>
	</li>
	<li>
		Food coloring (try to avoid yellow)&nbsp;</li>
	<li>
		Tap water&nbsp;</li>
	<li>
		Eye droppers (one for each group)&nbsp;</li>
	<li>
