Since at least as early as ancient Roman times, humans have recognized the value of what is now known as controlled environment agriculture, allowing farmers to cultivate plants year-round rather than ...
Students will design and build a structure that can block the sun to create a shaded area and will test to see if the shady spot is cooler. Sunlight warms the Earth’s surface. Certain structures are ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results