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This collection, made available by Clark State Community College, consists of educational resources about soil nutrients and fertility. Included in the collection are a soil testing lab activity, a nutrient deficiency lab activity, and a soil fertility pre-test.  The nutrient deficiency lab...

This video from Laser-Tec is part of a series of light and optics experiments. This lab explores optical alignment techniques. Equipment includes a laser diode module, laser holder, target card, blue filter, two lens holders, and alignment cards. The video recording runs 10:41 minutes in length.

This video from Laser-Tec is part of a series of light and optics experiments. In this lab, participants learn about optical filters. Participants learn how to identify primary and secondary colors, explore color mixing using primary and secondary filters, and learn about applications for color...

This 3-page lab guide, created by the Nanotechnology Applications and Career Knowledge Support (NACK) Center at Pennsylvania State University, is for a photolithography lab activity. During the lab, students will use 3'' silicon substrates to "evaluate three different exposure times using hard...

This lab activity from the Biotechnology Alliance for Suncoast Biology Educators (BASBE) demonstrates the concept of pH. It has an activity that allows students to evaluate the effectiveness of antacid tablets including developing a testable hypothesis. The lesson includes background information on...

This 2-page learning activity, from the Advanced Technology Environmental and Energy Center (ATEEC), asks students to perform chemical analysis on different substances (common items like shampoo, vinegar and baking soda can be used) according to standard procedural methods. Information on learning...

This experiment will demonstrate the effects of changes in the crystal structure of metals, particularly in high carbon steels and in the shape memory alloy Nitinol. Students will learn the effects of phase changes on shape in Nitinol and crystal structure changes on metal properties. They will also...

The Materials Science and Technology Teacher's Workshop (MAST) provides this demonstration on the phase transition of high carbon steel. The crystalline structure of iron is different at different temperatures, and high-carbon steel alloys undergo a transformation from BCC to FCC in a very small...

Module Description: This module, created by the Center for Nanotechnology Education (Nano-Link), introduces students to photolithography, "the process of copying a high-resolution pattern onto multiple substrates." During the module learning activity (Option A) students "replicate key parts of the...

These professional development materials are related to a hybrid, dual-credit course that was created by the Developing Photonics Education in Iowa's Rural Secondary schools project. This course and supporting materials were created to "increase the number of photonics technicians in the U.S. via...