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Module 4 Our world (Closure )
Quiz by Nathera Saad
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Module 4 Our world Our world 1 Module 4Can you imagine what life would be if we run out of water? Very good! We can be very dirty as well as our environment! Do you know that water plays an important role n our lives? Yes, it is said that man can live for three days without food but not without water. OBJECTIVES: - States the importance of water in our lives - Practices ways to conserve water SCIENCE 2 – MODULE 8 SEIBO COLLEGE 16 Water is our life. It makes up the 50-90 percent of our body. Our cells will not be healthy if there’s no water. What do you feel when you are thirsty? Can you concentrate on the things that you are doing when you are thirsty? How about when you did not take a bath, how do you feel? Can you sleep at night comfortably without taking a bath? These are some things that remind us how important water is to us. So we need to learn to conserve it for us to enjoy it longer and for us to have enough supply of water for a long period of time. How can we participate in water conservation? Here’s how… Ways of Conserving Water 1. Turn off the faucet when not in use. Make sure it is tightly close. 2. When brushing teeth, use a glass to avoid wasting water. 3. When washing dishes, use enough water by using a basin. 4. When you observed that you water pipe is leaking, call a plumber immediately to fix it and avoid water from leaking. SCIENCE 2 – MODULE 8 SEIBO COLLEGE 17 5. Avoid frequent use of shower when taking a bath, use pail and dipper instead. 6. Never play with water. 7. Do not throw garbage or trash on the different sources of water. 8. Use watering can in watering plants to avoid excessive use of water. 9. Recycle used water. We can use water from the washing machine to clean our windows, comfort room and even our car. What are the things that you do at home that can help conserve water? Very good! You may now do the activities.Can you imagine what life would be if we run out of electricity? Very good! We cannot enjoy different electrical appliance anymore. OBJECTIVES: - Enumerates ways to conserve electrical energy. - Practices ways to conserve electricity. SCIENCE 2 – MODULE 6 SEIBO COLLEGE 21 Electricity gives us a comfortable life. It can help us do our work easier and faster through the use of different appliance or machines. Have you experienced brownout? Do you know why this happens? Brownout happens when there is a loss of electrical power in a specific area. To prevent this from happening, we must conserve electrical energy. How can we do that? Below is a list of ways on how we can conserve electricity. Read and understand it carefully. Ways of Conserving Electrical Energy at Home 1. Turn off and unplug electrical appliance when not in use. 2. Replace old bulbs with energy saving fluorescent bulbs. 3. Clean or dust your fluorescent lamp to give more light. 4. Turn off the light when leaving your room. 5. Avoid frequent opening of your refrigerator’s door. 6. Iron clothes once a week in the cooler part of the day. 7. Wash clothes using washing machine once a week. 8. Limit yourself to two hours of computer use a day. 9. Avoid using the microwave oven very oftenWhat I Know Q4 Science 4 Module 2 - Uses of Water in Our Daily LivesDo you know where do the things around us get the energy they are using? How about you? Where do you get the energy you need to do your daily activities? Do you remember what we have discussed in Unit 4? Very good! OBJECTIVES: - Names the sources of energy. - Classifies the different sources of energy. SCIENCE 2 – MODULE 6 SEIBO COLLEGE 4 Energy allows us and all the things around us to move, work and become useful. Different things use different sources of energy. Let us find out what are these sources. Let us begin with the major source of energy, the sun. Sun The sun is most important and the main source of energy on earth. It makes the day hot, dry and bright. It can also help in… a. drying our clothes b. growing of plants Do you know that the sun is a star? Yes, the reason why we could see it during day time is that it is the nearest star to our planet. Electricity Electricity allows electrical appliance work. SCIENCE 2 – MODULE 6 SEIBO COLLEGE 5 Fuel Fuel makes different kinds of vehicles move. We use different kinds of vehicles to transport us from one place to another place. Food Like what we have discussed in unit 4, we get the energy we need to do our daily activities from the food we eat.Energy is very useful to us. We have proved it in our previous lessons. But do you know that, energy can also be harmful? Yes, energy can harm or cause different health problems if we expose ourselves too much to it. Too much exposure to the bright light of the sun and other artificial lights can cause… a. damage to our eyes that may lead to blindness b. skin allergies that may lead to skin cancer c. sunburn We can prevent the above health problems by… a. avoiding looking directly to the source of bright light such as the sun. b. wearing hat or using umbrella when going out of the house during the hottest part of the day which is from 10 am to 2 pm. c. putting on sunblock to protect your skin Too much heat can cause… a. dehydration or loss of body fluids because of perspiration b. burns These can be prevented by… a. drinking plenty of water b. using pot holders when handling hot objects SCIENCE 2 – MODULE 6 SEIBO COLLEGE 29 Too much exposure to loud sounds can cause… a. hearing difficulty that may lead to deafness b. nervousness We can avoid these health problems if… a. we talk softly especially when the person we are talking to is near us b. we avoid places which have loud sounds. Electrical energy can give us a comfortable life, but it can cause great danger to us. So to avoid accidents that may harm us in handling electrical devices we need to practice safety precautions. Below is a list of the things that we should do. Study it carefully. Safety Precautions in Handling Electrical Devices 1. Never play with live wires and electrical plug. 2. Never touch any electrical device with wet hands. 3. Do not overload electrical sockets. 4. Do not play or insert things especially metals into electrical outlets. 5. Never play with the switch of any electrical deviceModule_4