Class 8 Science: Advanced Force and Pressure

Answer key included

This worksheet challenges students to apply their understanding of force, pressure, and related concepts in various scenarios. It covers topics like atmospheric pressure, fluid pressure, and the effects of force.

Class 8CBSESciencehard

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Sheet 12 of 12 in this series
Class 8 · Science
Name: ____________
  1. Q1.A person is able to crush a soda can by standing on it. If the same person lies down on the can, it does not crush. This difference is primarily due to:
    • A.The change in the person's weight.
    • B.The difference in the magnitude of force applied.
    • C.The change in the area over which the force is distributed.
    • D.The elasticity of the soda can material.
  2. Q2.Two objects, X and Y, have the same mass. Object X exerts a pressure of P_X and object Y exerts a pressure of P_Y on the ground. If the area of contact for X is half that of Y, which of the following is true?
    • A.P_X = P_Y
    • B.P_X = 2 * P_Y
    • C.P_Y = 2 * P_X
    • D.P_X = P_Y / 4
  3. Q3.Why are dams built with a much wider base than their top, even though the water level is uniform throughout the width?
    • A.To provide more space for water storage.
    • B.To withstand the stronger atmospheric pressure at lower depths.
    • C.To counteract the increasing pressure of water with depth.
    • D.To make the dam visually more appealing.
  4. Q4.Which of the following scenarios best demonstrates a non-contact force at play?
    • A.A car moving after the engine starts.
    • B.A person pushing a shopping cart.
    • C.Leaves falling from a tree.
    • D.A boat propelled by oars.

Preview — full sheet in the PDF

What's inside this workbook

This Class 8 Science Practice contains 10 questions across 2 printable pages and includes a full answer key at hard difficulty. Aligned to the CBSE and NCERT syllabus.

How this worksheet helps your child

  • Builds confidence in core Science concepts taught in Class 8 through repeated, varied practice.
  • Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
  • Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
  • Pitched at hard level — use it for daily homework, weekend revision or quick exam warm-ups.

About this worksheet

Dive into the fascinating world of force and pressure with our Class 8 Science Advanced Practice Worksheet, specifically designed for students following the CBSE curriculum. This challenging worksheet goes beyond basic definitions, presenting complex scenarios that require a deeper understanding of how forces act and how pressure is exerted in different situations. It is perfect for students who have a solid grasp of the foundational concepts of force and pressure, including friction, and are ready to tackle more intricate problems involving fluids and atmospheric pressure. Mastering these topics is crucial as they form the bedrock for many advanced scientific concepts your child will encounter in higher grades, enabling them to comprehend the mechanics behind everyday phenomena, from why objects float to how hydraulic systems work. This practice sheet helps reinforce learning and build strong analytical skills, aligning perfectly with NCERT guidelines for Class 8 Science.

What your child will learn

  • Apply the concept of force to explain various real-world phenomena.
  • Solve numerical problems related to fluid pressure and atmospheric pressure.
  • Identify the factors affecting frictional force in different contexts.
  • Analyze how pressure changes with depth in liquids.
  • Evaluate the impact of applied force on the pressure exerted by an object.

Understanding the concept

Force and pressure are two fundamental concepts in science that help us understand how objects interact and how energy is transferred. Imagine pushing a box across the floor – that push is a force. It has both strength and direction. Pressure, on the other hand, is about how this force is spread out over an area. If you push the box with your flat hand, the force is spread over a larger area, resulting in less pressure. But if you push the same box with just your fingertip, the same force is concentrated on a tiny area, creating much greater pressure. This is why a sharp knife cuts easily: it applies a large force over a very small area, creating immense pressure. This worksheet extends these ideas to liquids and gases. For instance, fluid pressure explains why your ears pop when you dive deep into a swimming pool – the water above you exerts more pressure. Similarly, atmospheric pressure is the weight of the air above us, which we usually don't notice but is crucial for many everyday occurrences. Understanding these concepts helps children make sense of why things move, stop, float, or sink, and how the air around us constantly exerts pressure.

Tips for parents & teachers

  • Encourage your child to draw diagrams for each problem to visualize the forces and pressures involved.
  • Discuss real-life examples related to each question to make the concepts more tangible and relatable.
  • Review the basic formulas for force (mass x acceleration) and pressure (force / area) before attempting the worksheet.
  • Allow your child to explain their reasoning for each answer, even if the final numerical answer is incorrect.
  • Break down complex problems into smaller, manageable steps to build confidence.

Topics covered

forcepressureclass 8sciencecbsefluidsatmosphericfriction

How to use this worksheet at home

Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 8) and set a relaxed time limit — 15 to 25 minutes works for most Science worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.

Frequently asked questions

Is this Science worksheet really free?
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Is it aligned to the CBSE / NCERT syllabus?
Yes. All Class 8 worksheets are built around the CBSE and NCERT pattern so they map cleanly to what your child is studying in school.
Can I print this worksheet at home?
Yes. Click "Open print view" and use your browser's Print dialog to print on standard A4 paper, or save it as a PDF for later. The layout is designed to fit cleanly without scaling.
Does it include an answer key?
Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.

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