Select the best definition of engineering.

• A. The Use of tools and materials to create things to solve problems for people
• B. A branch of mathematics
• C. The study of ancient civilizations
• D. Aesthetic design of structures

Answer: (A)

Engineering is the practical application of science and math to design, build, and improve things that meet people’s needs. It’s about turning ideas into real, useful solutions that work in the real world, using tools, materials, and processes to create devices, structures, or systems. This captures the essence of engineering: solving problems for people by making things that function reliably. The other descriptions miss this combination of problem-solving and actual creation—math alone, studying the past, or focusing only on aesthetics don’t emphasize making usable, working solutions.