1-Directions: Encircle the letter of the correct answer. 1. What are the practical applications of the knowledge on evaporation as a technique to separate the components of mixture? A. Drying of clothes, ironing, boiling of water B. Taking care of pets, waste segregation, planting seeds C. Fixing broken table, cleaning windows, sweeping the floor D. Fixing tangled threads, using food container, wrapping boxes 2. Which of the following involves change due to application of heat? A. drying of clothes C. wearing of mask B. washing of hands D. washing of clothes 3. Evaporation occurs when water changes into A. Snow C. vapour B. Solid D. transpiration 4. Which statement describes observations on liquid materials upon the application of heat? A. Water evaporates upon boiling. B. Vapor absorbs heat from the sun. C. The volume and mass of solids increase. D. The color, texture, and shape of sugar change 5. Which one of the following techniques would best be used to separate salt and water? A. Chromatography C. Evaporation B. Decantation D. Filtration 6. What do you call the process of separating mixtures which uses a filtering device? A. decantation C. filtration B. evaporation D. picking 7. Which of the following filtering materials can be used so that the smallest substance can be separated? A. filter paper C. a kitchen strainer B. a piece of cloth D. all of the materials given above 8. Which type of mixture is usually separated by filtration? A. liquid to liquid mixture C. solid to solid mixture B. liquid to solid mixture D. any type of mixture 9. What will pass through a handkerchief if we will filter a mixture of water and sand? A. The sand will pass through the handkerchief. B. Nothing will pass through the handkerchief. C. The water will pass through the handkerchief. D. The water and sand will both pass through the handkerchief. 10. Why do we need to buy drinking water from certified water refilling station? A. It is the trend nowadays. B. The family will look wealthy in the eyes of others. C. It has been the practice since water refilling station emerged. D. It is safe to drink because it removes impurities from the water​