Class5ScienceGuide

My Science, Health and Physical Education Guide Part 1 - Science Lesson 9 - Sources of Energy 1. Put a tick (√) if the statement is correct and a cross (×) if it is wrong. Answer 👉  a. Coal is a renewable source of energy. (×) b. Heat and light are obtained from the Sun and from the burning objects. (√) c. Heat and light can not be obtained from electric energy. (×) d. A magnet attracts the objects made of iron. (√) e. Electricity is generated from the current of moving water. (√) 2. Fill in the blanks with correct words. Answer 👉  a. All the animals get energy from food. b. Plants prepare their food from heat and light energy obtained from the Sun. c. Sound comes from vibrations. d. Iron and steel objects can be identified with the help of a magnet. 3. Answer the following questions in short. a. What is meant by renewable source of energy? Answer 👉 Renewable sources of energy are those sources that can be replenished naturally in a short period of ...

Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 10 Weather 1. Fill in the blank spaces with the correct words. Answer 👉  a. The weather forecast made on the basis of observations taken by satellite is more trustworthy. b. Change in temperature brings change in atmospheric pressure of the Earth. c. Weather is variable from place to place. d. When there is scorching Sun from the morning in the monsoon season, it is likely to rain in the afternoon. e. The light of the Sun does not always fall directly on the Earth. 2. Write answers to the following questions. a. What is called the weather? Answer 👉 Weather refers to the day-to-day changes in atmospheric conditions, such as temperature, humidity, precipitation, wind, and cloudiness, in a particular place. b. List the factors that bring change in weather. Answer 👉 The factors that bring change in weather include temperature, pressure, wind, humidity, and precipitation, wh...

Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 11 - Cloud 1. Put a tick (√) if the statement is correct and a cross (×) if it is wrong. Answer 👉  a. The cloud that looks like fog is stratus. (√) b. Cumulus cloud is found very high in the sky. (×) c. Small drops of water in the water vapour together form cloud. (√) d. The cloud found very low in the sky is brown in colour. (√) 2. Fill in the blanks with the correct words. Answer 👉  a. The cloud which has greater amount of ice is cirrus. b. The water vapour becomes cooler in the atmosphere and form small drops of water. c. The lower part of the stratus is thin. d. Nimbus is dark brown in colour and causes rainfall. 3. Answer the following questions in short. a. How is the cloud formed? write. Answer 👉 Cloud is formed when water from the earth's surface evaporates into the atmosphere due to the heat of the sun. As the water vapor rises, it cools down and forms tiny dro...

Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 12- The Solar System 1. Put a tick (√) if the statement is correct and a cross (×) if it is wrong. Answer 👉  a. The moon is the satellite of the earth. (√) b. The planets have their own light. (×) c. The venus is the smallest planet of the solar system. (×) d. Different creatures live on the earth. (√) e. The process in which the bright portion of the moon increases or decreases is called the phases of the moon (√) 2. Match column ‘A’ with column ‘B’. Answer 👉  a. Planet (earth) ( ) dark night b. Jupiter (the largest planet) ( ) moon c. New Moon ( ) star d. Satellite (moon) ( ) the largest planet ( ) earth ( ) full moon night 3. Fill in the blanks with correct words. Answer 👉  a. The solar system has eight planets. b. The heavenly bodies that moves round the planets are called satellites. c. It takes nearly 365 days for the earth to complete one circle by moving round t...

Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 13 - The Earth  1. Put a tick (√) if the statement is correct and a cross (×) if it is wrong. Answer 👉  a. The weathering of the earth’s surface due to various causes is called soil erosion. (×) b. Mantle is the thickest layer of the earth. (√) c. The plain area surrounded by hills is called valley. (×) d. The rivers cause the weathering of rocks and carry them away to make a pile in plain area. (×) e. Farming without terrace in slopes causes soil erosion in greater quantity. (√) 2. Fill in the blank spaces with the correct words. Answer 👉  a. The monsoon rain makes the soil of the land fertile. b. The causes of the change in the earth’s surface are: wind, water, animals and human activities. c. The monsoon water carries away the surface soil of slopes more easily than that of plain area. d. The rise and fall of the temperature causes expansion and contraction of rocks. ...

Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 14 - Information and Communication 1. Put a tick (√) if the statement is correct and a cross (×) if it is wrong. Answer 👉  a. √ b. √ c. × d. × 2. Fill in the blanks with the correct words. Answer 👉  a. The communication that takes place within the self is called intrapersonal communication. b. Newspapers are periodic publications. c. We can collect information from books, newspapers, etc. d. Computer can function as a means of communication only when it is connected to the internet. 3. Write short answers to the following questions. a. Write the difference between reference materials and general collection. Answer 👉  Reference materials are specific sources of information that are collected for a particular purpose, such as for writing an article or conducting research. General collection, on the other hand, refers to a collection of materials that are not specific...

  Class 5 My Science, Health and Physical Education Guide Part 1 - Science Lesson 15 - Simple Local Technologies 1. Put a tick (√) if the statements is correct and a cross (×) if it is wrong. Answer 👉  a. √ b. √ c. × d. √ 2. Fill in the blanks with the correct words. Answer 👉  a. A wooden stick that is used for moving the upper stone wheel of stone grinding mill is called "gara". b. In improved earthen stove, the surplus smoke goes out of the house through "chimney". c. High "pressure" causes the juice in juicy fruits to come out. d. "Firewood" is used as fuel to cook food in earthen stove. Answer the following questions in short. a. Write the operational theory of hand mill. Answer 👉 The operational theory of hand mill is that the grain is poured into the hopper and then it falls between two discs. These discs rotate against each other to crush the grains and then the crushed grains come out of the mill from the side. b. How d...