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GK · lesson 26 of 30 · free

Science in daily life — GK worksheet

Science is all around us. Magnets pull iron, nickel and cobalt but not wood, plastic or copper. A see-saw is a lever, a ramp is an inclined plane and a knife is a wedge. Ice is a solid, milk is a liquid and air is a gas. Sunlight and wind are renewable sources of energy; coal and petrol will run out.

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Remember

Spot the science — “find the science idea behind an everyday thing”

  1. Magnets: pull iron, nickel, cobalt; like poles push apart, unlike poles pull together; a freely hanging magnet points north–south.
  2. Simple machines: lever (see-saw, crowbar), pulley (flagpole), inclined plane (ramp, slide), wedge (knife, axe), wheel and axle (doorknob), screw (jar lid).
  3. Solids keep their shape, liquids flow, gases fill any space. Renewable: solar, wind, water, tidal energy. Non-renewable: coal, petrol, diesel, natural gas.

Use it for: Class 5 GK and science lessons, science fairs and fixing things at home.

Worked example: ⚙️ Which simple machine is a see-saw? → lever

  1. A see-saw is a long bar that tips up and down on a point in the middle.
  2. A bar that tips on a point is a lever.

Check: A crowbar and a bottle opener are levers too ✓

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✏️ Practice

Read the question, think about what you know, then tap your answer. Stuck? Press “Show me how”.

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🏁 Lesson 26 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

🏅 Sign in with Google to earn the 🧲 Science Sleuth badge when you pass — and a certificate when you finish all 6 lessons of Part 5 · Class 5 GK. You can still take the test without signing in.

🖨️ Class 5 GK Worksheet: Science in Daily Life

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