Runaway Runoff

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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it. In this activity, learners will see how the ground influences where soil and pollution go after it rains. Learners will investigate runoff using three surface types (loose soil, soil with plants growing in it, or hard surface that mimics paved surfaces) and collect resulting samples to compare. Step-by-step instructions are included with photos along with safety recommendations. Activity guide includes a "What's going on?" explanation and relevant connections to how plants and soil organisms affect pollution.

Quick Guide

Preparation Time:
10 to 30 minutes
Learning Time:
45 to 60 minutes
Estimated Materials Cost:
Over $20 per group of students
Age Range:
Ages 8 - adult
Resource Types:
Activity, Experiment/Lab Activity
Language:
English

Materials List (per group of students)

  • One tray of green, leafy ground cover plants, at least 30 cm × 30 cm
  • Empty plastic plant nursery tray, similar in size to plant-filled tray
  • Dirt, potting soil, or garden soil
  • Water pitcher
  • Water
  • Red or other food coloring
  • Sieve or strainer
  • Large plastic tub
  • Tape
  • Marker
  • Protractor
  • Parchment paper, wax paper, or aluminum foil
  • Liquid measuring cup, 500 mL (16 oz) or larger

Keywords

Subjects

  • Earth and Space Science
    • Earth Processes
      • Weather and Climate
    • Earth Structure
      • Oceans and Water
      • Biosphere
  • Life Sciences
    • Diversity of Life
      • Plants
    • Ecology
      • Ecosystems
      • Human Impact

Informal Categories

  • Nature and Environment

Audience

Learning styles supported:

  • Involves teamwork and communication skills
  • Uses STEM to solve real-world problems
  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

Source Collection

  • DIY Science Apps

Rights:

  • , The Regents of the University of California, 2015

Funding Source:

  • National Science Foundation, DRL1114663