Direction: Complete each sentence by choosing the word that corresponds with it. Write your answer on the blank provided. 1. Which of the following materials can absorb water? a. can b. metal pipe d. sponge c. plastic bottle 2. Why do porous materials absorb water? a. Because they are colorful b. Because they have holes where water passes through c. Because porous materials are heavy d. Because porous materials do not have holes where water can pass through 3. Which of these materials does NOT belong to the group? a. Towel b. Styrofoam c. popsicle stick d. rubber ducky 4. What happens to a paper boat when you place it on water? a. It will sink fast. b. It will remain floating c. It will float at first but will sink as soon as it absorbs water. d. It will sink at first then will suddenly float. 5. This means to be slowly destroyed into bits in the presence of water, air, and soil. a. decay b. disappears c. float d. sink 6. Which of the following DO NOT contribute to the decaying process? a. microorganism b. sound C. sunlight d. water 7. Emma wants to delay the spoilage of her baked macaroni. Where should she put it to preserve? a. Hang them on the ceiling. b. Place it inside the refrigerator. c. Place it on the table without cover. d. Let it be exposed outside the house. 8. How will you know if the food is already spoiled? a. It tastes good. b. It smells and tastes bad. c. It smells good. d. It has molds in it. 9. Which of these materials undergo decay? a. banana peeling b. marbles c. mirror d. rocks 10. What is the benefit of decayed materials in soil? a. They produce organic fertilizer that helps plants grow healthier. b. They add to the pollution in the environment. c. They can produce food that can be eaten by humans. d. They can be added to our food 11. Which of the following is a solid material? a a. droplets of water b. helium gas c. plastic cup d. vinegar 12. What material can be used to flatten a tin can? a, a foam b. a hammer c. a knife a