CoolStuff Blog

Help Students Reach the Ultimate Form Of Scientific Inquiry
Help Students Reach the Ultimate Form Of Scientific Inquiry

Back to School Means Back to STEM The Next Generation Science Standards (http://www.nextgenscience.org/next-generation-science-standards) identifies eight practices of science and engineering as essential for all students to learn. These are: Asking questions (for science) and defining problems (for engineering) Developing and...

Behind the Scenes with Light and Color: 10 Great Demos
Behind the Scenes with Light and Color: 10 Great Demos

Featured Products Behind the Scenes with Light and Color Introduction Light and Spectrum is a common topic among all of the sciences. You will find a chapter devoted to it in Astronomy, Chemistry, Physics, and Biology. Therefore, enhancing your ability...

Measuring
Measuring "g" with the g Ball

Featured Products What is this about? Galileo claimed that all objects fall toward Earth with the same acceleration. Modern measurements indicate that this acceleration is about 9.8m/s2. Using the G-Ball by Arbor Scientific, you can measure this value and compare...

Turn Your Mobile Phone into a Mobile Microscope
Turn Your Mobile Phone into a Mobile Microscope

Featured Products Turn Your Mobile Phone into a Mobile Microscope  Can the new Cell Phone Magnifier unlock why Mint Mentos are better than Fruit Mentos for making soda explode? Check out this cheap option for those times when high-powered microscopes...

Kinetic Energy Into Thermal Energy
Kinetic Energy Into Thermal Energy

Featured Products Kinetic Energy Into Thermal Energy Watch how silly putty and simple steel spheres can be used to demonstrate the conversion of kinetic energy into thermal energy! (And you thought Silly Putty was for copying comics from the newspaper!)...

Top 10 Demonstrations with Tuning Forks
Top 10 Demonstrations with Tuning Forks

Featured Products Top 10 Demonstrations with Tuning Forks  I have been using tuning forks in my classroom for 10 years, and in each of those years I have discovered several new tricks. I hope you can learn many of these...

Playing in Galileo's Lab
Playing in Galileo's Lab

As I was watching a kayak quietly slip under the Ponte Vecchio in the morning light, I was thinking what it must have been like for Galileo Galilei while living and teaching in Florence, Italy, looking down every day at...

Putting Scale in Perspective
Putting Scale in Perspective

Recently during the 2009 AAPT Summer Meeting in Ann Arbor, we had the chance to talk with CoolStuff Contributor Joe Spaccavento. As always, Joe had another great idea for us. This time on how to introduce the concept of scale...

Extending Our Senses: Indirect Measurement
Extending Our Senses: Indirect Measurement

Everything we experience comes to us through our five senses—sight, hearing, touch, smell and taste. While our senses are truly amazing, most of what goes on around us occurs unnoticed. Since we can only see a small range of the...