Physical vs. Chemical Changes
Eighth graders discover the difference between physical and chemical changes as they observe two different demonstrations.
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Explaining Change Processes Using a Simple Particle Model of Matter
The more things change, the more they stay the same. This unit includes seven lessons starting with physical change and moving through to chemical change. Conservation of matter is explained clearly with multiple hands-on activities and...
6th - 8th Science CCSS: Adaptable
Natural Resources and Synthetic Materials
All synthetic materials began as natural materials. An engaging lesson begins with a hands-on activity and an example of the type of research that scholars perform independently. Then pupils receive a topic and begin researching the...
6th - 8th Science CCSS: Designed
Study Jams! Physical & Chemical Changes of Matter
Poor Sam! His graham crackers have undergone a physical change, so he can't make his s'mores! Mia explains that their molecules haven't changed, therefore they are still graham crackers. The two teens then discuss clues that would...
4th - 8th Science CCSS: Adaptable