Pathik — CBSE Class 6–12 Notes, Worksheets & MCQ Quizzes

 Chapter 8: A Journey through States of Water Worksheet  A. Multiple Choice Questions  1. Which of the following is the gaseous state of water? (a) Ice (b) Water (c) Water vapour (d) Snow Answer: (c) Water vapour 2. The conversion of water vapour into liquid water is called: (a) Evaporation (b) Condensation (c) Melting (d) Freezing Answer: (b) Condensation 3. The conversion of ice into water is called: (a) Freezing (b) Melting (c) Condensation (d) Evaporation Answer: (b) Melting 4. Which process changes liquid water into water vapour? (a) Freezing (b) Melting (c) Evaporation (d) Condensation Answer: (c) Evaporation 5. Which factor can increase the rate of evaporation? (a) Smaller exposed surface (b) Higher temperature (c) High humidity (d) No air movement Answer: (b) Higher temperature 6. Water droplets appearing on the outside of a cold glass are formed due to: (a) Melting (b) Freezing (c) Condensation (d) Boiling Answer: (c) Condensation 7. Which state of water has a fi...

  Chapter 8: A Journey Through States of Water 1. Water Exists in Different States Water is found in three states: State                Form of Water                          Main Property Solid                     Ice                                              Has a fixed shape Liquid                     Water                               Flows and takes the shape of its container Gas                          Water vapour  ...

 Chapter 7: Temperature and Its Measurement Worksheet A. Multiple Choice Questions  1. Which instrument is used to measure temperature? (a) Barometer (b) Thermometer (c) Measuring cylinder (d) Balance   Answeer:- Thermometer 2. The normal average temperature of a healthy human body is approximately: (a) 27 °C (b) 32 °C (c) 37 °C (d) 42 °C  Answer:-  (c) 37 °C 3. Which thermometer is generally used to measure human body temperature? (a) Laboratory thermometer (b) Clinical thermometer (c) Room thermometer (d) Weather thermometer   Answer:- (b) Clinical thermometer 4. The SI unit of temperature is: (a) Celsius (b) Fahrenheit (c) Degree Celsius (d) Kelvin   Answer:- (d) Kelvin   5. 37 °C is equal to: (a) 96.8 °F (b) 97.6 °F (c) 98.6 °F (d) 100 °F   Answer:- (c) 98.6 °F 6. Which of the following is a temperature scale? (a) Celsius (b) Metre (c) Kilogram (d) Litre   Answer:- (a) Celsius 7. A laboratory thermometer...

 Chapter 7 Temperature and Its Measurement  1. Hot or Cold? Different objects can have different degrees of hotness or coldness. Our sense of touch is not always reliable for judging temperature. An object that feels hot to one hand may feel cool to the other. Therefore, we need a reliable measurement of hotness or coldness. 2. Temperature Temperature is a reliable measure of how hot or cold a body is. A hotter body has a higher temperature than a colder body. The instrument used to measure temperature is called a thermometer. 3. Types of Thermometers:-  There are mainly two types discussed in the chapter: Thermometer                                         Main Use Clinical thermometer                               Measuring human body temperature Laboratory th...

 Class 10 English – Half Yearly Assessment 2026–27 Complete Answer Key Section A – Reading Skill Question 1 (i) Answer: (b) It triggers a chain reaction that destabilizes the system. (ii) Answer: (c) To highlight a practical, health-related benefit of biodiversity. (iii) Answer: (c) It threatens global food security and increases food costs. (iv) Answer: (a) Moving from fixing damage after it happens to actively preventing and rebuilding ecosystems. (v) Answer: (b) Intricate (vi) Any two: - Deforestation - Industrial pollution - Urban expansion (vii) Wetlands filter pollutants from water systems and help reduce the impact of floods. (viii) A carbon sink is something, such as a forest, that absorbs and stores carbon dioxide and other greenhouse gases from the atmosphere. (ix) Ecotourism is considered more valuable because it provides long-term economic benefits while conserving nature, whereas extracting natural resources can damage ecosystems and exhaust resources. (x) Suitable tit...

 Class 6 English – Half Yearly Assessment September 2026 Complete Answer Key Section A – Objective Questions Class - 6 English Half Yearly Answer Key Class - 7 English Half Yearly Answer Key Class 10 English Half Yearly Answer Key Q. No. Answer 1 (c) Hard work and plantation 2 False 3 (c) He wanted to sing 4 (b) had entered 5 (c) A small piece of food 6 (c) because 7 (c) Gajraj was happy and liked royal comforts. 8 (b) Is she reading a novel? 9 (c) It was invisible. 10 (c) Ram’s coat and Mohan’s pen. 11 True 12 Neem powder is used in rice fields as a natural pesticide/insect repellent to protect crops from pests. 13 She does not like milk. 14 True 15 Mahipati Section B – Very Short Answer Questions 16. Write any two qualities of true friendship based on The Unlikely Best Friends. Answer:- Two qualities of true friendship are care and loyalty. A true friend stays with us, helps us in difficulty and cares about our happiness. The friendship between Gaj...

Class 7 English – Half Yearly Assessment 2026 Complete Answer Key  Section A – Objective Questions Class - 6 Half Yearly English Answer Key Class - 7 Half Yearly English Answer Key Class - 10 Half Yearly English Answer Key 1. In “The Tiny Teacher,” what is the main function of the worker ants? Answer: (c) To carry out various duties for the colony 2. In “Bringing Up Kari,” why was Kari taken to the river every morning? Answer: (b) To bathe and enjoy the water 3. What was the ‘kreech’ sound coming from the window? Answer: (b) Sound of violin — it was Lalli learning to play the violin. EDUREV.IN 4. In “Gopal and the Hilsa-Fish,” what did Gopal prove through his unusual appearance? Answer: (b) That he could make people forget about hilsa 5. Change into indirect speech: “She said, ‘I am feeling tired.’” Answer: (b) She said that she was feeling tired. 6. Why is the squirrel's tail described as a question mark? Answer: (c) Because it is curved upwards Scribd 7. According to “Three Quest...