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Maharashtra Board Class 7 Science Changes – Physical and Chemical   Distinguishing Between Types of Changes: Physical change and chemical change: Physical Change: In a physical change, the substance’s composition remains the same, and no new substance is formed. It involves changes in the physical state or appearance. Example: Melting ice into water. Chemical Change: […]

Maharashtra State Board Class 7 Science Sound Production of Sound / Textbook Exercises and Extra Question and Answers. Effects of Sound Production of Sound Key Points:   Periodic Motion: A motion that repeats at fixed intervals of time is called periodic motion. Oscillatory motion is a type of periodic motion.   Oscillator: An oscillator is […]

Maharashtra State Board Class 7 Science Material we use Notes / Textbook Exercises and Extra Question and Answers. Class 7 Science Material we use Notes   Toothpaste: Principal ingredients: Calcium carbonate, calcium hydrogen phosphate. Functions: Remove dirt and polish teeth. Contains fluoride to prevent tooth decay and strengthen bones and tooth enamel.   Detergents: Detergent […]

Maharashtra State Board Class 7 Science Effects of Light Notes / Textbook Exercises and Extra Question and Answers. Effects of Light Key Points: Light is composed of various colors, and we can see beams of light when tiny dust particles scatter the light rays. The scattering of sunlight by dust and particles in the atmosphere […]

Maharashtra State Board Class 7 Science Natural Resources Notes / Textbook Exercises and Extra Question and Answers. Class 7 Science Natural Resources Notes Types of Natural Resources: Natural resources are substances obtained from nature that satisfy various daily needs. They include soil, stones, minerals, air, water, plants, and animals. Resources in the Earth’s crust comprise […]

Maharashtra State Board Class 7 Science In the world of Stars / Textbook Exercises and Extra Question and Answers.   Maharashtra State Board Class 7 Science In the world of Stars Key Points:   Star Formation: Stars are born from nebulae, which are clouds of hydrogen gas and dust particles. The force of gravity causes […]

Maharashtra State Board Class 7 Science Properties of a Magnetic Field / Textbook Exercises and Extra Question and Answers.   Properties of a Magnetic Field Key Points:   Magnetic Alloys: Magnets are often made from alloys of iron, cobalt, and nickel. Nipermag is an alloy of iron, nickel, aluminum, and titanium used to make magnets. […]

  Fill in the blanks with the right word from the brackets. The process of digestion starts from the mouth. Eyelids have involuntary muscles. Production of blood cells is not a function of the muscular system. Muscles of the heart are cardiac muscles. Pushing forward the food that has been chewed is the function of […]