Across 3. The study of plants and animals. The study of living organisms. 4. The branch of science concerned with the nature and properties of matter and energy. 5. Software used for desktop and laptop computers. (Microsoft products.) 6. How long a website, computer, or other system has been not working. 8. A form of energy resulting from the existence of charged particles (such as electrons or protons). 10. Are software coding mistakes. 12. Is a set of instructions that tells a computer what to do. 15. Includes arithmetic, algebra, geometry, trigonometry, and calculus. 18. Are the devices used to connect personal computers to the internet. 21. Are systems designed to protect and secure a computer network. 22. The study of the physical features of the earth and its atmosphere.

Down 1. The process of making something digital. 2. Are types of software. Also called "Apps." 7. Electric _ _ _ _ _ _ _ _ is the flow of electrons moving through a wire. 9. Software used by iPhones, iPads and iPods. (Apple products.) 11. The language used to create webpages. 13. Are computers used to store websites. 14. An organized collection of data (facts and information). 16. Typefaces that determine the look of printed text. An example is Arial. 17. The total amount of users who visit a website. 19. Wireless Fidelity, used for connecting to the Internet wirelessly. 20. A manufacturer of electric cars.