Physics & Space
This law states that for every action, there is an equal and opposite reaction.
What is Newton’s Third Law?
This element has the chemical symbol Fe.
What is iron?
This organelle is commonly called the “powerhouse of the cell.”
What is the mitochondrion / mitochondria?
This type of engineer primarily designs systems involving circuits, electronics, and electrical power.
What is an electrical engineer?
This number system, consisting only of 0s and 1s, is fundamental to digital computers.
What is binary?
This is the approximate speed of light in a vacuum.
What is 3×108 meters per second?
A substance with a pH below 7 is classified as this.
What is an acid / acidic?
These blood cells are primarily responsible for transporting oxygen throughout the body.
What are red blood cells?
Engineers often build this simplified early version of a product to test whether their design works.
What is a prototype?
This computer component performs most of the instructions and calculations required to run programs.
What is the CPU / processor?
This force keeps planets in orbit around the Sun.
What is gravity?
This is the most abundant element in the universe.
What is hydrogen?
This molecule contains the genetic instructions used in the development and functioning of most living organisms.
What is DNA?
In a bridge, this force pulls or stretches a material apart.
What is tension?
HTML is primarily used to create the structure of these.
What are web pages?
This SI unit measures electrical resistance.
What is an ohm?
Diamond and graphite are both made entirely from this element.
What is carbon?
Plants convert light energy into chemical energy through this process.
What is photosynthesis?
This simple machine consists of a rigid bar that rotates around a fixed point called a fulcrum.
What is a lever?
In cybersecurity, this type of attack uses fake emails or messages to trick users into revealing sensitive information.
What is phishing?
When light changes direction as it passes from air into water, this phenomenon occurs.
What is refraction?
This type of chemical bond involves atoms sharing electrons.
What is a covalent bond?
This organ produces insulin and helps regulate blood sugar.
What is the pancreas?
Civil engineers use this material made primarily from cement, water, sand, and aggregate in buildings, roads, and bridges.
What is concrete?
This data structure follows the rule Last In, First Out, often abbreviated LIFO.
What is a stack?