SCI 105 Challenge for Science and Technology.pptx

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1. SCI 105 Challenge

2. Instructions: Collect some 5 rocks or any materials/objects around the school . Describe the materials using the five senses and write your observation in a piece of paper. Measure your collected materials and classify them using binary classification and make an if/then statement of the future materials . Ask your classmates about the measurement and classification of their collected materials.

3. The Material (Leaf) Color Size Shape and Texture Rohdea japonica Bright yellow with a dark green frame Medium Upright, vase-shaped; smooth Glacier pothos Light green with a whitish-yellow frame and a very light green spots on some areas Slightly small Oval, slightly elongated shape; smooth

4. The Material (Leaf) Color Size Shape and Texture Perilla frutescens var. crispa Dark red with a touch of dark green on some areas Medium Round with a toothed leaf margin; rough Euphorbia tithymaloides Yellow green with a pink frame Small Acuminate in shape with zigzag edges; slightly rough

5. The Material (Leaf) Color Size Shape and Texture Terminalia catappa Red with a slight yellow and brown spots on some areas Large Almond-shaped; smooth

6. If/then Statement If each plant has a particular type of leaf, then plants may have different chemicals on them that cause them to exhibit various colors, sizes and shapes.