World in the Balance
Students explore population growth. They calculate how long it takes a country's population to double in size and to investigate factors affecting growth rate. In addition, they list of factors they think might affect growth rate
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Physics Skill and Practice Worksheets
Stop wasting energy searching for physics resources, this comprehensive collection of worksheets has you covered. Starting with introductions to the scientific method, dimensional analysis, and graphing data, these skills practice...
9th - Higher Ed Math CCSS: Adaptable
Give Me a Boost—How Gravity Assists Aid Space Exploration
The propellant needed for space explorations runs in the thousands, while paying to get the craft into orbit costs millions! In the second installment of three, two activities explore laws of conservation of energy and momentum. Using...
9th - 12th Science CCSS: Adaptable