Overview of EPA's law and regulatory information, including complying with and enforcing environmental regulations.
Portal for news and information about EPA's efforts and environmental conditions in Nevada.
EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.
Portal for news and information about EPA's efforts in Florida and Hot Topics, Environmental Information, Events, Public Notices and Press Releases, Recent News, Federal & State Contacts, Social Media links for the state of Florida
Chemistry is the study of matter and energy, focusing on substances and their reactions. Chemists can work in labs, do fieldwork, or develop theories and models on computers. Many fields, including medicine and engineering, use chemistry to understand the world better.
Welcome to the wide world of chemistry! This is an introduction to Chemistry 101 and an index of concepts and tools to help you learn chemistry.
Chemistry is the study of matter, its properties, and interactions with energy. Chemistry is related to other sciences like physics and biology and uses the scientific method. Studying chemistry helps us understand cooking, digestion, and even how medications work.
Chemistry studies how matter and energy interact, with atoms and molecules forming through chemical reactions. Chemistry is everywhere, as it involves everything you touch, taste, or smell in daily life. Chemistry is a hands-on and real-world science, providing tools to solve real problems and make new products.
General chemistry topics include things like atoms and molecules, how substances react, the periodic table, and the study of different compounds.
Science, Tech, Math › Science › Chemistry › Basics An Introduction to Chemistry Begin learning about matter and building blocks of life with these study guides, lab experiments, and example problems.