Water resources are sources of water that are useful or potentially useful to humans. Activities that humans may use water for include agricultural, industrial, household, recreational, and environmental activities. Virtually all of these uses require fresh water. However, 97.5% of …
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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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.…
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”…
KXNN Reports: Grain Combines
Learn about various aspects of today’s agriculture in these reports from KXNN:
- 21st Century Agriculture
- Precision Agriculture
- Tractors
- Cotton Pickers
- Grain Combines
- Peanut Combines
- Sprayers
- It’s About Milk!
What is the water cycle?
Earth has its own water recycling system. It is called the water cycle (also known as the hydrologic cycle). The actual amount of water on our planet does not change. In fact, there is the same amount of water on …
4-H Learning Network: Other Learning Opportunities for Youth
Other opportunities for youth to explore:
…Geospatial Technology for Youth
Want to go on real treasure hunt? Want to know more about how maps are used to help you find where you are and where you’re going? Ever get frustrated if the GPS in your phone takes you to the …