8.SCI.6.C

Describe the properties of cohesion, adhesion, and surface tension in water and relate to observable phenomena such as the formation of droplets, transport in plants, and insects walking on water.

Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022

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Vocabulary
propertiescohesionadhesionsurface tensionwaterobservable phenomenaformation of dropletstransport in plantsinsects walking on water
Skills
  • describe (properties of cohesion, adhesion, and surface tension in water) #dok1
  • identify (examples of cohesion, adhesion, and surface tension in observable phenomena) #dok1
  • relate (properties of cohesion, adhesion, surface tension to observable phenomena) #dok2
  • explain (how properties of water affect natural processes or organisms) #dok2
  • analyze (real-world scenarios involving cohesion, adhesion, or surface tension) #dok3
Learning Targets
  • I can describe the properties of cohesion, adhesion, and surface tension in water. #dok1
  • I can identify examples of cohesion, adhesion, and surface tension in everyday life. #dok1
  • I can relate the properties of water to observable phenomena like droplet formation, plant transport, and insects walking on water. #dok2
  • I can explain how cohesion, adhesion, and surface tension allow water to behave in ways important to living organisms. #dok2
  • I can analyze how changes in cohesion, adhesion, or surface tension would impact observable natural processes. #dok3
Big Ideas
  • The unique properties of water—cohesion, adhesion, and surface tension—give rise to important observable phenomena in the natural world.
  • Understanding the properties of water helps explain many biological and physical processes essential to life on Earth.
Essential Questions
  • What are the properties of cohesion, adhesion, and surface tension in water?
  • How do the properties of water result in observable phenomena in the world around us?
  • Why is surface tension important to living organisms and physical systems?
  • How do cohesion and adhesion influence water's role in biological systems, such as plant transport?
  • How might changes in water’s properties impact the behaviors or survival of living things?