Activity
PBS

Pbs Teachers: Scientific American: Fat and Happy?: Counting Calories

For Teachers 3rd - 8th
Explore the concept of the calorie. Determine the calories/gram of the burned food by measuring its mass, and make conclusions about the experimental design.
Activity
University of California

Understanding Science: Newton's 2nd Law: Inquiry Approach Lesson

For Teachers 10th - 12th
For this lesson, students develop their own scientific experiment to test Newton's hypothesis that the acceleration of an object depends on the net force acting upon it and its mass. After completing their designed experiment, students...
Article
Other

Csicop: Field Guide to Critical Thinking

For Students 9th - 10th Standards
This article, originally published in Skeptical Inquirer, outlines some of the key components of the scientific problem-solving process while addressing the many reasons for the popularity of paranormal beliefs in the U.S. (Published in...
Article
Famous Scientists

Famous Scientists: Carl Sagan

For Students 9th - 10th
A short biography about a scientist best known for his contributions to the research of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation.
Activity
Science Made Simple

Science Made Simple: Why Is the Sky Blue?

For Students 3rd - 8th
This website has three different projects from which to choose on the topic of why the sky is blue. Also, you can scroll up to learn more about why the sky is blue.