Electricity is a powerful and fascinating force of nature. As early as 600 BC, observers of the physical world suspected that electricity existed but did not have a name for it. In fact, real progress in unraveling the mystery of electricity has come only within the last 250 years.
A semiconductor device with three connections, capable of amplification and switching that changed the world forever.

Electronics is the science that controls the behavior of electrons so that some type of useful function is performed. Today, electronics is a fast-changing and exciting field.
The multimeter is an instrument designed to detect voltage, resistance, and current. In order to become proficient in electronics, it's essential that you become skilled with a multimeter.

Learning how to solder with proper soldering techniques is a fundamental skill every maker will need to master.

Scouts are often called upon to help because they know first aid and they know about the discipline and planning needed to react to an emergency situation. Earning this merit badge helps a Scout to be prepared by learning the actions that can be helpful and needed before, during, and after an emergency.
A collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
Saving, producing, and using energy wisely will be critical to America's future. If we are to leave future generations with a world in which they can live as well or better than we have, Scouts and other potential leaders of tomorrow must begin the hard work of understanding energy and the vital role it will play in the future.
Engineers use both science and technology to turn ideas into reality, devising all sorts of things, ranging from tiny, low-cost batteries for your cell phone to gigantic dams across the mighty Yangtze River in China.
By earning the Entrepreneurship merit badge, Scouts will learn about identifying opportunities, creating and evaluating business ideas, and exploring the feasibility (how doable it is) of an idea for a new business. They will also have the chance to fit everything together as they start and run their own business ventures.
While earning the Environmental Science merit badge, Scouts will get a taste of what it is like to be an environmental scientist, making observations and carrying out experiments to investigate the natural world.
After learning about the history and importance of exploration — like when Eagle Scout Paul Siple traveled to Antarctica or when Eagle Scout Neil Armstrong landed on the moon — you will prepare for and go on an actual expedition.