Guide Questions: Directions: Read and answer the questions below. what have you found out
1. Which materials absorb water ?
2. Which materials do not obsort water?
3.Which materials will float in water?
4.Which materials decay easily?
5.Which materials sink easily?
6.Which are the non deceying materials?
7.Why is it important to classify materials?
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Answers & Comments
Answer:
1. Sponge, Napkin, Paper Towel, Face Cloth, Sock, Paper and Cotton Balls
2. Styrofoam, Zip lock Bag, Wax Paper, Aluminium foil and sandwich wrap
3. Apples, wood, sponges, empty Bottles and balls
4. Leafs, Logs
5. Coins, rocks and Marbles
6. Plastic Bags, Nylon Fabric, Leather, Aluminum Can, Glass Bottle, Tin Cans, Disposable diapers and Wool Sock
7. Classification of materials helps us in ascertaining which two materials are similar in nature. It also helps in dividing the materials based on their composition and their properties. It simplifies the task and lets us devote our time to the more important aspects of materials.