2015년 2월 16일 월요일

Fun Science Project of the Week: Grow a Big Alum Crystal



About.com


Grow a Big Alum Crystal

Anne Marie Helmenstine, Ph.D.
From Anne Marie Helmenstine, Ph.D., your Guide to Chemistry
Growing a big alum crystal is a great science project for a few reasons. First, it's the easiest, most reliable crystal to grow. Second, it uses ingredients you can find in any grocery store. Third, it yields quick results.

Grow an Alum Crystal

Easy Alum Crystal Instructions 
You can get great results with this project overnight, but if you have a bit of patience and keep adding crystal solution, you can grow a beautiful large single crystal worthy of displaying.
Learn About Crystals

What Is a Crystal? 
You're growing an alum crystal, but do you know what a crystal is and why they form?

Crystal Photo Gallery
How will you know what your crystal is supposed to look like? This photo gallery includes photographs of many crystals you can grow, including alum crystals.

Crystal Recipes
Do you want to try more crystals? This is a collection of crystal growing recipes. Most of these recipes use common and safe materials, with a few more advanced projects thrown in for good measure.

Got Questions?

Visit the Chemistry Forum 
You can ask and answer questions about science projects at About's chemistry forum. You'll find scientists, engineers, teachers, students, parents, and other people just like you with an interest in science.

Science Project Photo Gallery
Are you looking for more projects to try? Check out this photo gallery of science projects.

Science Quizzes
Ok, so you can do cool science projects, but how much do you know about science? Test yourself with one of these quick multiple choice quizzes!

Chemistry Activities for Kids E-Course
Here's another free newsletter that might interest you. Are you ready for kid-friendly chemistry activities and games? Each e-course newsletter features safe projects, games or quizzes, and links for additional learning. Learn about the elements, grow crystals, and more! When you sign up you'll get one newsletter a week until you've gotten them all. Sign me up!


This email is written by: 
Anne Marie Helmenstine, Ph.D.

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