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  1. Get NCERT Solutions of all Science Chapters of Class 9 free at Teachoo. For each chapter, we have explained concepts, solved NCERT Questions, Questions from inside the NCERT Book, Examples from NCERT Book, Extra Questions from Teachoo.

    • Lesson Plans and Activities to Teach About The Solar System
    • Vocabulary
    • Thematic Collections
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    Modeling the Planets in Our Solar System

    1. Students learn early on the names of the planets (and maybe even a fun mnemonic device to help remember their order). But understanding the sizes of the planets and their distances from one another really helps bring understanding of our solar system into shape. The Make a Model of the Solar System lesson guides students in building a scale model of the solar system that represents the size of each planet as well as their distances from one another. Questions: Why are the planets spherical...

    Earth's Rotation and Orbit

    1. With the Kinesthetic Astronomy: Earth's Rotation lesson, students use kinesthetic techniques to better understand how the Earth moves, what the Earth's rotation means, and how the Earth's rotation on its axis differs from the Earth's orbit. In the activity, students use their bodies and movements to help them understand concepts (like which direction the Earth rotates and when sunset and sunrise occur) and locations (like where the equator is). Questions: Why do people in different locatio...

    Gravity in Our Solar System

    1. How does a spacecraft (or a planet) stay in orbit? Gravity is a key factor, but it isn't the only one! In the The Great Gravity Escape lesson, students explore the role of gravity and velocity in a spacecraft's orbit. In the hands-on activity, students spin water balloons attached to a length of string to investigate how the gravitational forces between two objects and the velocity of a traveling object balance to form an orbit. Questions: What happens if the velocity increases too much? W...

    The following word bank contains words that may be covered when teaching about the solar system using the lessons and activities in this resource. 1. Asteroid 2. Asteroid belt 3. Astronomical unit (AU) 4. Axis 5. Comet 6. Conjunction 7. Crater 8. Earth 9. Elliptical 10. Escape velocity 11. Dwarf planet 12. Galaxy 13. Gravitational force 14. Gravity...

    Collections like this help educators find themed activities in a specific subject area or discover activities and lessons that meet a curriculum need. We hope these collections make it convenient for teachers to browse related lessons and activities. For other collections, see the Teaching Science Units and Thematic Collections lists. We encourage ...

  2. The moon is the brightest object in the night sky. The stars, the planets, the moon and many other objects in the sky are called celestial objects. The study of celestial objects and associated phenomena is called astronomy. In acient India our ancestors performed methodical observations of sky.

  3. These projects cover various topics in science, including physics, chemistry, biology, and environmental science. Also access our NCERT Solutions Class 9 that are created by our subject experts. Here are the top 10 science project ideas that are both educational and fun.

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  4. Jan 18, 2024 · Chapter-wise NCERT Solutions for class 9 Science solved by expert teachers from latest edition books and as per NCERT (CBSE) guidelines. CBSE Class 9 Sciene All Chapters Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks.

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  6. 2 days ago · Explore the key concepts of Class 9 Science with the Free PDF of NCERT Solution for Class 9 Science. It helps the students build conceptual foundations in science and enhance their problem-solving abilities.

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