Science Archives - Page 3 of 61 - CBSE Class Notes Online

Voluntary and Involuntary muscles – Characteristics, Differences and Similarities

February 4, 2024February 5, 2024 - by Jaishree Gorane - Leave a Comment

The article explores the characteristics, differences, and similarities between voluntary muscles (which we control consciously, like when walking or jumping) and involuntary muscles (which operate automatically, handling essential functions like heartbeats and digestion). It delves into their control mechanisms, appearances, fatigue levels, and their crucial roles in daily life and bodily functions, providing examples of each and highlighting their significance in movement, stability, and internal processes.

Class 7 Science- Chapter 5 – Physical and Chemical Changes – Chemical Changes Activities

January 19, 2024January 19, 2024 - by Jaishree Gorane - Leave a Comment

Class 7 Science, Chapter 5 -Physical and Chemical Changes focuses on chemical changes. This article discusses activities like burning magnesium ribbon, reacting copper sulphate with iron, and mixing vinegar and baking soda. It explains how these actions create new substances, highlighting the essentials of chemical changes in a straightforward manner.

Class 7 Science Chapter-6- Physical and Chemical Changes

Class 7 Science- Chapter 5 – Physical and Chemical Changes – Physical Changes Activities

January 19, 2024January 27, 2024 - by Jaishree Gorane - Leave a Comment

Class 7 Science, Chapter 5 delves into ‘Physical and Chemical Changes,’ focusing on physical changes. It includes activities that demonstrate how substances change in form or appearance without altering their identity. This segment specifically explores activities like paper cutting and boiling water, offering clear, practical examples for young learners to understand the concept of physical changes.

Class 7 Science Chapter-6- Physical and Chemical Changes / Science Facts

Reversible and Irreversible Changes- A Guide for Young Learners

January 19, 2024January 19, 2024 - by Jaishree Gorane - Leave a Comment

Reversible and Irreversible Changes: A Guide for Young Learners” explores key differences between changes that can be undone and those that can’t. Understand through examples like melting ice and cooking eggs, how these changes impact everyday materials. Perfect for young minds, this guide simplifies these scientific concepts, making them easy to grasp and relate to daily life.

Chapter 1 - Nutrition in Plants

Chapter 10- A Detailed Guide to “Nutrition in Plants” Activities for Class 7 Students

January 18, 2024February 1, 2024 - by Jaishree Gorane - Leave a Comment

In this chapter, we explore three engaging activities from the “Nutrition in Plants” chapter, tailored for Class 7 students. These activities not only enhance understanding of fundamental concepts in plant …

Chapter 1 - Nutrition in Plants

Class 7 Science- Chapter 1- Nutrition in Plants- Experiment to Test the Occurrence of Photosynthesis

January 18, 2024January 18, 2024 - by Jaishree Gorane - Leave a Comment

This experiment is a practical way for students to visually observe the effects of photosynthesis and understand its fundamental principles.

Chapter 1 - Nutrition in Plants

Class 7 Science- Chapter 1- Nutrition in Plants- Activity 1.2 – Observing Fungal Growth on Bread

January 18, 2024January 18, 2024 - by Jaishree Gorane - Leave a Comment

This activity provides practical insights into how fungi grow and interact with their environment, which is an important aspect of understanding ecosystems and the role of different organisms within them.

Chapter 1 - Nutrition in Plants

Class 7 Science- Chapter 1- Nutrition in Plants- Activity 1.1 – Stomatal Opening

January 18, 2024January 18, 2024 - by Jaishree Gorane - Leave a Comment

In Activity 1.1- Stomatal Opening, we explore how sunlight affects a plant’s ability to perform photosynthesis. We use two potted plants of the same kind, keeping one in darkness and …

Chapter 10: A Detailed Guide to “Electric Current and its Effects” Activities for Class 7 Students

January 16, 2024January 16, 2024 - by Jaishree Gorane - Leave a Comment

Each activity in this guide offers a practical way to understand electricity and its real-world uses. As you do these experiments, you’ll learn important concepts and develop hands-on skills. Remember, always be safe when working with electricity and ask an adult or teacher for help if you need it. These experiments are more than just learning; they’re about exploring and enjoying science

Class 7 Science- Chapter 10- Electric Current and its Effects- Extended Learning Activities and Projects

January 16, 2024January 16, 2024 - by Jaishree Gorane - Leave a Comment

These activities are designed to extend the learning experience beyond the classroom, offering hands-on, practical understanding of key concepts in electricity and magnetism. They encourage exploration, observation, and critical thinking, essential skills for budding scientists.