Grade 5Sciencequiz16 questions

Reversible and irreversible changes

Grade 5: dissolving makes a solution, reversible changes (melting, dissolving), irreversible changes (burning, rusting, cooking), separating by sieving, filtering, evaporating.

Play nowCopy and editPrintable flashcards and worksheet

Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. When sugar mixes into water and seems to disappear, what have you made?

    • A gas
    • A metal
    • A solid
    • A solution
    Show answerA solution

  2. In a salt solution, which word describes the salt?

    • Filter
    • Residue
    • Solute
    • Solvent
    Show answerSolute

  3. Sand dissolves in water to make a solution. (True or false?)

    Show answerFalse

  4. Which change is reversible?

    • Baking a cake
    • Burning paper
    • Melting ice
    • Rusting a nail
    Show answerMelting ice

  5. Chocolate melts in the sun. What can you do to make it solid again?

    • Burn it
    • Cool it
    • Heat it more
    • Stir it in water
    Show answerCool it

  6. What is the name for water turning into ice? (Answer out loud)

    Show answerFreezing

  7. Which change is irreversible?

    • Dissolving salt in water
    • Freezing water
    • Frying an egg
    • Melting butter
    Show answerFrying an egg

  8. An iron nail left in wet air turns orange-brown. What is this called?

    • Dissolving
    • Freezing
    • Melting
    • Rusting
    Show answerRusting

  9. Once wood has burned to ash, we cannot change it back into wood. (True or false?)

    Show answerTrue

  10. Which tool best separates large stones from fine sand?

    • A magnet
    • A sieve
    • A spoon
    • A thermometer
    Show answerA sieve

  11. Muddy water is poured through filter paper. What stays on the paper?

    • All the water
    • Dissolved salt
    • Nothing at all
    • The solid mud
    Show answerThe solid mud

  12. What word describes a material, like sand, that cannot dissolve in water? (Answer out loud)

    Show answerInsoluble

  13. How can you get salt back from salty water?

    • Evaporate the water
    • Filter it
    • Freeze it only
    • Sieve it
    Show answerEvaporate the water

  14. Filtering can separate dissolved salt from water. (True or false?)

    Show answerFalse

  15. To separate sand and salt, which liquid do you add to dissolve the salt? (Answer out loud)

    Show answerWater

  16. Why can't a baked cake turn back into runny cake mixture?

    • Heat made new materials
    • It dissolved in air
    • It was filtered
    • It was only melted
    Show answerHeat made new materials

Play it as a game

Paper RaceEvery right answer moves your car. The team in last place gets a double boost.Three in a RowAnswer right to place your team sticker on a 3×3 board. Three in a row scores +5 and starts a new round.Line of FourAnswer right to drop a disc in any column. Four of your discs in a line score +5.Team BingoEvery team has a bingo card of answers. Each answer is called after its question. Three in a row: BINGO +5.

More games like this

Grade 5quizLife cyclesGrade 5: life cycle of a mammal, bird, amphibian and insect, metamorphosis, plant life cycle, pollination.Grade 5quizFood chainsGrade 5: producers and consumers, predators and prey, food webs, decomposers.Grade 5quizProperties of materialsGrade 5: hardness and strength, solubility, transparency, electrical and thermal conductivity, magnetic or not.Grade 5quizForcesGrade 5: push and pull, gravity, friction, magnets, air and water resistance.Grade 5quizThe Solar SystemGrade 5: the Sun is a star, the eight planets, day, night and seasons, phases of the Moon.