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Journal Article
Science Sampler: Conservation of mass and an unsuspected buoyancy effect
Over the years, many interesting chemical reactions and activities have been used to illustrate the conservation of mass. The reaction of baking soda and vinegar is a common example. The experimental procedure described in this article presents a spe...
Journal Article
Farm to Table and Beyond: Helping Students Make Sense of the Global Food System
It is not enough for students to acquire knowledge about how food is produced and processed; they must also come to understand the biological and environmental contexts in which food production, processing, and transportation take place. Through diag...
Journal Article
Tried and True: Rock cycle project—Rock and rap CD cover
The Earth system views the entire planet as a single dynamic entity. Understanding the individual components and their interactions is necessary to completely understand how the planet works. Because the Earth system can be too complex for many middl...
Journal Article
Students who engage in scientific inquiry must be able to evaluate the processes and evidence used to reach conclusions about scientific issues, regardless of whether the process is conducted in the classroom or through an information search on the i...
Journal Article
Science Sampler: Environmental stewardship in action
Texas Watch is an environmental stewardship-in-action program that works with the Environmental Protection Agency (EPA) and the Texas Commission on Environmental Quality to collect environmental data and to address nonpoint source pollution issues. V...
Journal Article
Science Sampler: In search of whale food
A middle school science teacher from Texas shares his professional development experience as part of the ARMADA Project, which partners science teachers with field research scientists. He was paired with a group of oceanographers studying the ecology...
Journal Article
Science Sampler: Nanoscale in perspective
Nanoscale science is a growing field, and to appreciate the work of scientists in this field, it is important for students to understand the scale of work being done. This activity, designed to bring nanoscale into the familiar macroworld, is from a ...
Journal Article
Scope on the Skies: Of moons and rings
When the planet Saturn is mentioned, most probably picture the spectacular rings above the planet’s equator. The rings are not unique to Saturn (planetary rings encircle the four Jovian planets), but they are the only ones visible from Earth. Despi...
Journal Article
University Partnership to Deliver Statewide Professional Development
Fort Hays State University and Emporia State University partnered with high-needs rural school districts to develop and offer a three-year professional development institute. The statewide institute was planned collaboratively to specifically meet th...
Journal Article
Teaching Students to Think Like Scientists During Cooperative Investigations
To help students think like scientists during cooperative science investigations, the author developed the “thinking roles” strategy described in this article. Thinking roles make students responsible for asking certain types of questions during ...