Science tools on ToolzPedia provide interactive reference material and educational instruments for students, teachers, researchers, and anyone who needs quick, reliable scientific data without opening a textbook or installing specialised software. The category is built around a simple principle: fundamental scientific reference data should be freely accessible, interactive, and easy to understand, and a browser is a genuinely good medium for that, letting data be explored by clicking and searching rather than flipping through printed pages. The Interactive Periodic Table is the flagship, and currently only, tool in this category. It displays all 118 confirmed chemical elements, from hydrogen through oganesson, each with its standard properties: atomic number, atomic mass, full electron configuration, electronegativity on the Pauling scale, melting and boiling points, density, the year of discovery, and physical state at room temperature. Elements are colour coded by category, covering groups such as alkali metals, alkaline earth metals, transition metals, lanthanides, actinides, and noble gases, matching the colour conventions used in most chemistry textbooks and classroom periodic tables so the tool feels immediately familiar to anyone who has studied chemistry. The table responds to both mouse click and full keyboard navigation, an accessibility consideration that matters for classroom use on shared devices and for students using screen readers or alternative input methods. Selecting an element opens a detailed panel with its full property set and a link out to further reading for anyone who wants to go deeper than the summary data shown on the table itself. The tool is designed to be genuinely useful across several different use cases rather than built for one narrow audience. Chemistry students use it to quickly check a property while working through an assignment. Teachers use it to pull up an element during a lesson without switching to a separate app or projecting a static image. Professionals in fields like materials science, pharmaceuticals, or engineering use it as a fast reference when a specific atomic property is needed mid task. Because everything runs client side with no login and no data transmitted, it loads quickly and works the same way whether accessed from a school computer lab, a personal laptop, or a phone. This category is expected to grow over time to include other reference tools and interactive calculators relevant to physics, chemistry, and biology, following the same principle of building each addition with real depth rather than as a quick, shallow reference page.