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Atoms and molecules practice

This 6th-grade practice sheet helps students understand atoms, elements, molecules, and compounds through multiple-choice and ordering questions, as well as sentence completion exercises to reinforce key concepts and improve their scientific vocabulary.

By Edform · Science · Grade 6 · Published Oct 15, 2026 · New

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Questions

  1. Which of the following is a molecule but NOT a compound?
  2. Which of the following are elements?
  3. Put the following in order from smallest to largest: molecule, atom, cell, element.
  4. Complete the sentence.
  5. Choose the correct word for each blank.
  6. Match each term to its correct description.
  7. Sort the following as either an element or a compound.
  8. Decide if each statement is true or false.
  9. What is the smallest part of an element that still has the properties of that element?
  10. How many atoms are in a molecule of water (H2O)?

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