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Introduction to Water Hardness and Demostration of Simple Water Test Procedures
Students explain the origin of hardness in water. They discover the difference between hard and soft water. They make observations, collect and analyze data and draw a conclusions.
3 Views 17 Downloads
Cause and Effect of Water Pollution
Your students will become aware of and be able to list the major types and sources of water pollution. Being able to recognize that the household, agriculture, and industry sectors of society contribute to water pollution, is the main...
5th - 10th Science CCSS: Adaptable
NASA Engineering Design Challenges - Spacecraft Structures
What kind of design challenges are there in building structures to support rocket engines? The unit takes design teams through the process of building the lightest possible thrust support structure that can withstand the necessary forces...
6th - 9th Science