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    Back to Activities

    Crab Hole Observation

    Changing Environments

    25 minutes
    Small groups with adult supervision
    Outdoor

    Learning Objective

    Observe animal-made environmental changes through field study

    Materials Needed

    • Magnifying glasses
    • Clipboards with paper
    • Crayons
    • Measuring tape or rulers
    • Camera
    • First aid kit

    Preparation

    1. 1Locate safe area with visible crab holes (beach, muddy area)
    2. 2Ensure adult supervision for each small group
    3. 3Prepare observation sheets
    4. 4Check safety of area

    Step-by-Step Instructions

    1. 1Visit safe area with visible crab holes
    2. 2Children observe and draw what they see
    3. 3Discuss: 'How did these holes get here? What changes did the crabs make?'
    4. 4Measure hole sizes if possible
    5. 5Look for other signs of animal changes (bird nests, ant hills)
    6. 6Record observations with drawings and simple words

    Assessment

    • Can the child observe and record animal-made changes?
    • Does the child understand that animals can change their environment?
    • Can the child describe what they observed?

    Extensions

    • Create a clay model of a crab burrow
    • Research what crabs do in their holes
    • Look for other animal-made changes around school
    • Discuss how animal changes can be helpful or harmful

    Teaching Tips

    • Emphasize observation, not disturbing the animals
    • Keep children safe around holes and water
    • Encourage detailed observation
    • Connect to children's experiences with crabs
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