Uncover each hint by running your mouse down the page top to bottom. You may want to uncover them one at a time to give yourself an extra challenge! The lines that begin with HINT contain subsequent steps of the method of scientific problem solving used in these activities. Click anywhere on these lines to revel that step. Some hints have images that go along with the text. Take a glimpse of these pictures by placing your mouse on top of the IMAGE HINT box. Click the revealed image to lock it in place. That way, if the mouse is moved off of the IMAGE HINT, it remains visible. Uncover each hint by running your mouse down the page top to bottom. You may want to uncover them one at a time to give yourself an extra challenge! You can make the hints "stick" by clicking on them; they will then be visible even if your mouse leaves the box containing the hint. The lines that begin with HINT contain subsequent steps of the method of scientific problem solving used in these activities. Click anywhere on these lines to reve[a]l that step. Some hints have images that go along with the text. Take a glimpse of these pictures by placing your mouse on top of the IMAGE HINT box. Click the revealed image to lock it in place. That way, if the mouse is moved off of the IMAGE HINT, it remains visible.

Good Luck!