8th Grade Science Quiz

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Questions and Answers

What is the smallest particle of an element that retains the properties of that element?

  • Atom (correct)
  • Molecule
  • Proton
  • Electron

What is the process by which plants make their own food using sunlight?

  • Respiration
  • Fermentation
  • Transpiration
  • Photosynthesis (correct)

What is the SI unit of force?

  • Joule
  • Newton (correct)
  • Kilogram
  • Watt

What is the formula to calculate the selling price when a discount is offered?

<p>Selling Price = Marked Price - (Marked Price * Discount %) (C)</p> Signup and view all the answers

What is the commission earned by a salesperson who sells a car for $25,000, earning a 5% commission on the sale?

<p>$750 (C)</p> Signup and view all the answers

In a certain store, an item is marked at $80 with a 20% discount. If a customer buys 3 of these items, how much will they pay in total?

<p>$192 + $38.40 (B)</p> Signup and view all the answers

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