It takes 100 pounds of rainwater to produce one pound of food from the earth.…
What is science?
Science is a way for humans to understand the nature of the world and how things work. We use observation and experimentation to gain science knowledge and understanding.
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What can a GPS calculate?
The GPS system can find exactly where you are, your speed, your altitude, distance to your destination, the sunset and sunrise times, and much more!…
How are GPS satellites powered?
The GPS satellites are mainly powered by solar energy, or energy from the sun. They do have backup batteries in case of a solar eclipse, and they each have small rocket boosters to keep them moving in the right direction.…
What is engineering?
According to the National Academy of Engineering: “Engineering has been defined in many ways. It is often referred to as the ‘application of science’ because engineers take abstract ideas and build tangible products from them. Another definition is ‘design under …
Science, Technology, Engineering & Mathematics for Youth!
Earth & Moon
Science…”knowledge and understanding”
- Science is when people try to understand the world and nature by observing things and doing experiments. For more on science see: What is Science?
Precision controls and monitors
Technology…”tools and applications”…
What is GPS?
The Global Positioning System (GPS) is a navigation and precise-positioning tool. Developed by the Department of Defense in 1973 with the first satellite being lanched in 1978, GPS was originally designed to assist soldiers and military vehicles, planes, and ships …
How much can one acre of land produce?
Production of any resource from an acre of land is dependent upon the nature of the soil, terrain, location, and availability of moisture. Rocky and dry soil would produce less than fertile and moist soil. As examples of potential production …
What is an element?
A chemical element is a substance made up of only one type of atom, and distinguised by its atomic number (the number of protons in its nucleus). Common examples of elements are hydrogen, carbon, nitrogen, and oxygen.
In total, 117 …
What is an atom?
An atom is the smallest part of a chemical element.
An atom consists of an electron cloud of negatively charged electrons that surrounds a dense nucleus. This nucleus contains positively charged protons and electrically neutral neutrons. When the number of …