Lesson Plan

Molecules Matter

Did you know that jumping spiders sometimes wear water droplets as hats? A seventh grade science lesson introduces the concept of what makes up water: tiny molecules that are attracted to each other. Starting with a chemistry discussion, young scientists perform an experiment using water droplets before viewing a demonstration. 

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CCSS: Designed
NGSS: Designed
Additional Tags
Instructional Ideas
  • Have individuals use different size droppers to see if their results change
  • Discuss why the experiments use wax paper and if something else would work instead
  • Assign the activity sheet for learners to complete as a class, in small groups, or individually
Classroom Considerations
  • The first in a set of five lessons
  • The activities would best fit as the first lesson in a chemistry class
  • The resource is a 5E lesson plan design
  • Materials are all readily available
  • Provides activity sheets and extension ideas
  • Over simplification of the big ideas can lead to confusion later