Problems students encounter with understanding the abstract concept of chemical bonding,
as revealed in previous research, are outlined. The development of a two-tier multiple …

Engineering challenges that involve both the design and building of devices that satisfy
constraints are increasingly employed in precollege science courses. We have …

Use this team-centered approach to directly enhance teaching and learning in your school!
First introduced in Japan, lesson study has gained enthusiastic advocates in US educational …

The science education literature includes many claims that learners commonly hold
alternative conceptual frameworks about aspects of the science curriculum, especially in …

Within the last two decades there has been considerable interest amongst researchers in
children's understanding of the particle theory. The picture that has emerged from this work …

Because you demanded it! Since publication of Volume 1 of this series, thousands of
teachers are using these innovative classroom tools to improve student learning in science …

This study focused on the development of a two-tier multiple-choice diagnostic instrument,
which was designed and then progressively modified, and implemented to assess students' …

Concept Cartoons were created approximately 20 years ago. Since then research and
feedback from teachers and students has led to a variety of improvements in the format and …

This study focuses on the conceptions of trainee, primary, and subject teachers about three
phenomena: the motion of objects, seasonal changes, and aggregate changes of matter. A …

Parents play a pivotal role in introducing their children to science, but little is known about
the nature of an early science-related home learning environment. This study examines …