environment. Choose the letter of the best answer. 1. The following activities cause a change in matter. Which of these has a bad effect on the environment? A. slicing fruits C. peeling vegetables 8. sewing clothes D. breaking empty bottles of liquor 2. The following are effects in the environment by the changes in matter. Which of these has a good effect on the environment? A. air pollution C. deforestation B. composting D. water pollution 3. Many families use wood as fuel in cooking food. What is the bad effect on the environment of this activity? A. deforestation C. land pollution B. air pollution D. water pollution 4. The following activities can be done to candy wrappers. Which of these can help protect and save the environment? A. throws garbage into the river B. scatter candy wrappers in the backyard C. cut out candy wrappers to make pillows D. burn candy wrappers because these are biodegradable wastes 5. Water pollution is one of the bad effects in the environment by the changes in matter. Which of the following can minimize bad effects in the bodies of water? A. oil spills from a cargo ship B. bringing trash bins when having a picnic in the beach C. throwing detergents and other chemicals in the river D. using bath soap and shampoo in swimming at the beach 6. Your mother is a dressmaker. At home, you have plenty of strips of cloth. To avoid bad effect on the environment, what is the best way to do with these strips of cloth? A. Make the strips of cloth as charcoal. B. Keep these strips of cloth in the bodega C. Make these strips of cloth as rags. D. Throw these strips of cloth to the landfill. 7. Typhoon Ursula caused landslide and flood. Which of the following should we do to avoid these things to happen again? A. Make forest into residential areas. B. Throw garbage anywhere you want. C. Plant more trees in our surroundings. D. Cut more trees to build more things at home. 8. Tin cans with rust are being recycled by putting spray paint. Why does this activity cause harm to the environment? A. Spray paints are expensive. B. Spray paints can prevent the spread of rust. ba C. Spray paints are sometimes unavailable in the market. D. Spray paints have a poisonous chemical that makes the air polluted.​