JoinAll Resources
Journal Article
In this month’s column, the following question is addressed: On very hot days when the Sun beats against the pavement, the light above the ground ap...
Journal Article
Science Sampler: Growth Potential
Students will enjoy carrying out this exciting and challenging research project that combines science with computers and mathematics to investigate ho...
Journal Article
Idea Bank: The Human Population Game
The future of civilization and the biosphere depend partly on what is accomplished in the classroom today. Population, resource use, and population’...
Journal Article
Science Sampler: Dilution, Concentration, and Flotation
Classroom teaching practice and literature show that many students have difficulties with science concepts such as density. These investigations ident...
Journal Article
Science Sampler: The eight-step method to great group work
Many science teachers already understand the importance of cooperative learning in the classroom and during lab exercises. However, many teachers shy ...
Journal Article
Science Sampler: Representing Variability of Data
Measures of central tendency--mean, median, and mode--are often used as descriptive statistics when students conduct experiments in which they take re...
Journal Article
Scope on Safety: The Eyes Have It, or Do They?
Laboratory accidents and near misses in schools are often caused by the lack of personal equipment, such as eye protection. Sophisticated acids and ot...
Journal Article
Investigating local watersheds presents middle school students with authentic opportunities to engage in inquiry and address questions about their imm...
Journal Article
Science 101: What's the difference between frogs and toads?
Frogs and toads belong to a group of Amphibians known as Anura (Latin for "without tail"). Though different on many levels, frogs and toads share some...
Journal Article
Skateboards or Wildlife? Kids Decide!
Using the Internet to help solve real-life problems is a great way to make science learning relevant to today's students. In this project, students in...