Comparing Mass and Weight · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Heavy or light?

Mathematics · Measurement · ages 4-6
Name ______________________   Date ____________
  1. Kim hefts a book and a balloon. Kim says the book is heavier. Is Kim right?

    Circle one:   True   False

  2. You hold a rock in one hand and a feather in the other. Which is heavier?

    • You cannot tell
    • The rock
    • The feather
    • They are equal
  3. Which is heavier, a feather or a bag of apples?

    • The bag of apples
    • The feather
    • They weigh the same
  4. Which word tells you an object weighs less than another?

    • Heavier
    • Lighter
    • Bigger
  5. 6 cubes balance 2 identical apples. How many cubes balance 1 apple? Write the number.

    Answer: ______________

  6. On a balance, the apple side goes down. The leaf side goes up. Which is heavier?

    • The leaf
    • The apple
    • Neither one
  7. A bag has 2 heavy books. You add 3 light books. How many books are in the bag now?

    • 4
    • 7
    • 5
    • 6
  8. Raj says a feather is heavier than a stone. Is Raj right?

    Circle one:   True   False

  9. Zara says a big leaf is heavier than a small rock. She thinks bigger always means heavier. Is she right?

    • Yes, bigger things are always heavier
    • Yes, because leaves are heavy
    • No, size does not always tell you the weight
  10. A seesaw balances with 2 children on each side. What does that tell you?

    • You cannot tell
    • Both sides weigh the same
    • The left side is heavier
    • The right side is heavier
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Answer key

For grown-ups. Fold this page away before handing over the rest.

Heavy or light? W1-mt_-P1kdZhHbL-s1

  1. True · Kim is right: the book pulls down far more than the balloon.
  2. The rock · The rock pulls down more, so it is heavier.
  3. The bag of apples · The bag of apples weighs more than the feather.
  4. Lighter · Lighter means it weighs less. Heavier means it weighs more.
  5. 3 · Each one gets 3.
  6. The apple · The side that goes down holds the heavier object.
  7. 5 · Put 2 and 3 together to get 5.
  8. False · Raj is wrong: the stone pulls down far more.
  9. No, size does not always tell you the weight · Size does not always match weight. A small rock can be heavier than a big leaf.
  10. Both sides weigh the same · A level seesaw means both sides weigh the same.
Worksheet · LightMySky