Science Education

Holding Ideas in Your Hand: The Case for Concrete Manipulatives in Science Classrooms

Holding Ideas in Your Hand: The Case for Concre...

Most science classrooms have a manipulative problem, and it gets worse as the content gets harder. By high school, the physical tools have disappeared just as the science becomes invisible:...

Holding Ideas in Your Hand: The Case for Concre...

Most science classrooms have a manipulative problem, and it gets worse as the content gets harder. By high school, the physical tools have disappeared just as the science becomes invisible:...

How to Teach Valence Electrons with Handwarmers

How to Teach Valence Electrons with Handwarmers

I’ve found that the best way to start a lesson on valence electrons isn’t with a textbook—it’s with cold hands and the phenomenon of handwarmers. In a class recently, we...

How to Teach Valence Electrons with Handwarmers

I’ve found that the best way to start a lesson on valence electrons isn’t with a textbook—it’s with cold hands and the phenomenon of handwarmers. In a class recently, we...