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Class 10 Science Chapter 9 Light – Reflection and Refraction Activities

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Class 10 Science Chapter 9 Activities | Light – Reflection and Refraction Activity 9.1: Observing Images with a Shining Spoon Comparing Image Characteristics on Concave and Convex Curved Surfaces Experimental Procedure Take a large shining spoon and try to view your face in its inner curved surface. Observe whether the image is smaller or larger,

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Class 10 Science Chapter 8 Heredity Activities

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Class 10 Science Chapter 8 Activities | Heredity Activity 8.1: Inheritance of Human Earlobe Types Class Survey and Pedigree Correlation of Free vs. Attached Earlobes Experimental Procedure Observe the earlobes of all students in the classroom. Classify and list each student as having either free or attached earlobes (Fig. 8.2). Calculate the percentage frequency of

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Class 10 Science Chapter 7 How do Organisms Reproduce? Activities

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Class 10 Science Chapter 7 Activities | How do Organisms Reproduce? Activity 7.1: Budding in Yeast Culture Growth and Observation of Yeast Reproduction Experimental Procedure Dissolve about 10 g of sugar in 100 mL of water. Take 20 mL of this sugar solution in a test tube and add a pinch of yeast granules to

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Class 10 Science Chapter 6 Control and Coordination Activities

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Class 10 Science Chapter 6 Activities | Control and Coordination Activity 6.1: Interaction of Taste and Smell Senses Investigating Gustatory and Olfactory Receptor Integration Experimental Procedure Place some sugar crystals in your mouth and note how it tastes normally. Block your nose completely by pressing it tightly between your thumb and index finger, then consume

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Class 10 Science Chapter 5 Life Processes Activities

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Class 10 Science Chapter 5 Activities | Life Processes Activity 5.1: Essentiality of Chlorophyll for Photosynthesis Starch Test on Variegated Leaves Experimental Procedure Take a potted plant with variegated leaves, such as a money plant or crotons. Keep the plant in a dark room for three days so that all accumulated starch is completely consumed.

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Class 10 Science Chapter 3 Metals and Non-metals Activities

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Class 10 Science Chapter 3 Activities | Metals and Non-Metals Activity 3.1: Metallic Lustre Observing the Surface Appearance of Metals Experimental Procedure Collect sample pieces of iron, copper, aluminium, and magnesium. Observe and note the initial appearance of each sample. Clean the surface of each metallic sample thoroughly by rubbing with sandpaper. Note the appearance

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Class 10 Science Chapter 4 Carbon and its Compounds Activities

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Class 10 Science Chapter 4 Activities | Carbon and its Compounds Activity 4.1: Versatility and Presence of Carbon in Daily Life Classification of Everyday Objects and Detection of Carbon Compounds Experimental Procedure Make a list of ten common items used, worn, or consumed since morning. Group these items into three designated columns: Things made of

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Class 10 Science Chapter 2 Acids Bases and Salts Activities

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Class 10 Science Chapter 2 Activities | Acids Bases and Salts Activity 2.1: Testing Acids and Bases with Indicators Color Changes of Acid and Base Solutions with Synthetic and Natural Indicators Experimental Procedure Collect laboratory samples: hydrochloric acid (HCl), sulphuric acid (H₂SO₄), nitric acid (HNO₃), acetic acid (CH₃COOH), sodium hydroxide (NaOH), calcium hydroxide [Ca(OH)₂], potassium

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Class 10 Science Chapter 1 Chemical Reactions and Equations Activities

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Class 10 Science Chapter 1 Activities | Chemical Reactions and Equations Activity 1.1: Combustion of Magnesium Ribbon Burning of Magnesium Ribbon in Air and Collection of Magnesium Oxide Experimental Procedure Clean a magnesium ribbon about 3–4 cm long by rubbing it thoroughly with sandpaper to expose the pure metal surface. Hold the cleaned ribbon firmly

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Class 10 Science Chapter 1 Chemical Reactions and Equations MCQs (Set 2)

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Class 10 Science Chapter 1 MCQs (Set 2) | Chemical Reactions and Equations Answered: 0/50 Score: 0/50 ✓ 0 | ✗ 0 Section A: Activity & Lab Setup Competencies 1. A student performs Activity 1.1 by burning a cleaned magnesium ribbon in air: What is the color of the flame produced during burning, and what

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