This activity (aka "snack") provides instructions for building a balancing stick (a wooden dowel with lump of clay on one end) to explore center of gravity and angular momentum.
Finding a Balance How are humans changing the environment and particular ecosystems? The USGS has done a great job in providing three studies of current situations where the delicate balance of nature and mankind is tipping. Students will study three cases: mudslides in Los Angeles, damage
My district encourages principals to develop partnerships with local technology-based businesses and institutions of higher education. I agree that partnerships are important, but Iâ€™m uncomfortable about asking for something without being able to give something in return. What can we offer these potential partners?