12 alalaking Gra L MULTIPLE CHOICE Directions: Read the questions carefully. Explain how changes in matter affect the environment. Write the letter of the best answer. ng ng by ng ginh effect on the environment? aring alakal this activity? ahing ay ap salun gkahu 60 ag-aa be ng itlog change. Which of these changes in matter has a good 1. The following materials undergo chemical A. burning of plastic B. exposing alcohol to direct heat or fire C. composting of biodegradable wastes D. combustion of gasoline in the car's engine 2. Cutting of trees has its advantages and uses to the people. Which of the following is a bad effect of A. Cutting of trees may result in house construction. B. Cutting of trees may result in paper production C. Cutting of trees may result in furniture making D. Cutting of trees may result in flooding. 3. The following materials undergo a physical change. Which of the changes in matter has a bad effect on the environment? A. freezing of meat to preserve in a long period of time B. using spray paint to cover the rust in tin cans C. cutting of the fabric to be made into clothes D. evaporation of rainwater 4. When food spoils, you cannot eat it anymore, or else you will be poisoned. What is the best way to make spoiled food useful to the environment? A. use it for composting B. feed the spoiled food to house pets C. reheat the spoiled food D. throw it in the non-biodegradable garbage bin 5. As a Grade five learner, which of the following should you NOT do in protecting the environment? A. turning waste plastic into different containers B. throwing extra paint in the soil C. using melted candle as floor wax D. shaping old tires into a flower pot АС Ipin ikai Oba 3. K anil su 19 Na st​