As part of the requirement in the subject Natural Sciences, you were asked to make info-graphics with the specific topics mentioned in class. An info-graphic or information graphic is like a digital poster which contains valid information and visual presentation for viewers to get a quick grasp of some valuable knowledge. Examples of info-graphics are shown below;
And to help you create your own info-graphic, you can start with the basics with the use of PAINT program, just cut some pictures add some texts, that will be your good start for an info-graphic. Another way to create, if you want to do some exploration, I do suggest you visit this site; http://infogr.am/ . But before you start up, you might want to register first.