American Chemical Society
Exothermic, Endothermic, and Chemical Change
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
It's About Time
Organic Substances
Host an exciting lab in which learners burn fruit rinds to better understand hydrocarbons. A reading passage and analysis questions wrap up the lesson.
Science Education Resource Center at Carleton College
Serc: Investigating Wolf Behavior
In this classroom activity, students will observe different wolf behavior, facial expressions and body language to identify as either submissive or dominant behavior. Wolfs are observed in photos and short movie clips. Students will also...