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students to pursue further studies in science. This lesson is part of the Kids & Chemistry program developed by the American Chemical Soci-ety (ACS) to support science professionals who want to share their love and knowledge of science with elementary and middle school students. As a group of volunteers, these science professionals are valuable
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Oct 15, 2022 · Examples of naturally-occurring polymers are silk, cotton, wood, cotton, starch, natural rubber, skin, hair and DNA. In the early 1900s, chemists began to replicate natural polymers, and create synthetic polymers, beginning with nylon which mimics silk in its strength and flexibility. Plastic is a type of synthetic polymer.
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Frictional forces surround us. We rub our hands together to generate heat when we're shivering. Screeching tires burn rubber on the road when cars start too quickly or turn too sharply. Meanwhile, special treads on those same tires cling to the road to keep us safe when we travel icy highways. And who hasn't been grateful at least a few times for t...
Neighborhood slide, preferably straight or not too curved (longer is better),Stop watch that shows time to 1/10 of a second,Notepad,Pen/pencil,The United Nations Sustainable Development Goals (UNSDGs)are a blueprint to achieve a better and more sustainable future for all.
Mar 13, 2020 · Learning Objectives. After this activity, students should be able to: Explain that different plastics have unique physical properties. Apply stress and strain to test the elasticity of various materials. Identify several limitations to the use of plastics on the material and ecological levels.
Jul 23, 2023 · Air Resistance Experiment SUPPLIES: Printer/Computer Paper; Origami Science Book (optional for this activity) Other objects to explore air resistance (optional) All you need is a few sheets of paper, an open area, and our handy STEM activity printable sheet if you want to extend the lesson. This is a great place to experiment.
(Note: Hold your two lasers parallel to one another and shine both beams through the curved edge of the dish, and then use a piece of white paper or waxed paper as a screen to find the focal point where the two beams cross—see the What's Going On? section below for more information.) Finally, take a square dish of red or clear gelatin.
• 2 zip-closing plastic bags You will also need a metric ruler and a label. Place the label with your dinosaur’s name on the plastic bag. What is your dinosaur’s name? bEforE 1. Place your group’s dinosaur in the space below and hold it down as you trace it. 2. Place your dinosaur next to the ruler so that its tail is at the line marked ...
