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Cool Trees


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    Lawrence Hall of Science

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Cool Trees

This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface. Learners set containers with water in a sunny place and a shady place, then check and record comparative water temperatures at intervals of 1 hour, 2 hours, and more than 4 hours. Learners also observe and note differences in the degree of water evaporation from the containers. This activity can be used in lessons on solar power or the water cycle.

Quick Guide


Preparation Time:
5 to 10 minutes

Learning Time:
2 to 4 hours

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 4 - 14

Resource Type:
Activity

Language:
English

Materials List (per student)


  • Two containers, both the same size and shape
  • Water
  • Measuring cup
  • thermometer

Subjects


  • Earth and Space Science
    • Earth Processes
      • Weather and Climate
  • Life Sciences
    • Diversity of Life
      • Plants
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
    • States of Matter
      • Liquids
      • Changes of Phase

Informal Categories


  • Outdoor Activity

Audience


To use this activity, learners need to:

  • see
  • read
  • be mobile
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

Rights:

  • All Rights Reserved, The Regents of the University of California, ©2007

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