The Grade 10 Physical Science question paper typically assesses students on key concepts in physics and chemistry, including topics like motion, forces, energy, matter, and chemical reactions. It usually consists of multiple-choice questions, short answer questions, and problem-solving tasks. The paper aims to test both theoretical understanding and practical application of scientific principles. Format and content may vary by education board or curriculum.
a physical change of paper is ex: ripping,cutting, and anything else to make the paper smaller, shorter, or less of what it was. tearing,
Yes, cutting a sheet of paper in half is a physical change because the paper's properties, such as its shape and size, are altered, but its chemical composition remains the same.
Sanding a piece of paper is a physical change because the paper's appearance and texture are altered, but its chemical composition remains the same.
Tearing paper does not directly affect the composition of the paper's molecules, or its mass. You can recycle the paper, and end up with a piece of paper again. For some types of paper, simply wetting it, connecting the pieces, and drying it again would create the same size sheet of paper.
When you tear a piece of paper, a physical change occurs as the paper is physically broken apart into smaller pieces. This change does not alter the chemical composition of the paper, so it remains the same substance before and after tearing.
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