Worksheet

Heating and Cooling

Grade 2 - Science - On Level

NameDate

  1. The material "water in a tray" changes by freezing. What caused the change?

    • cooling
    • changing its name
    • putting it on paper
    • measuring its color

  2. What is the result when the material "ice cube" changes by melting?

    • liquid water
    • solid wax
    • hard dry clay
    • liquid butter

  3. Which process describes the change to butter?

    • coloring
    • melting
    • sorting
    • weighing

  4. How could a student try to reverse this change: warm wax becomes solid wax?

    • heat the wax until it softens
    • draw a larger picture
    • hide the evidence
    • rename the material

  5. Which order best shows the heating or cooling change for butter?

    • butter -> heating -> liquid butter
    • butter -> counting -> liquid butter
    • liquid butter -> heating -> butter
    • heating -> butter -> no change

  6. The material "wet clay" changes by drying. What caused the change?

    • measuring its color
    • heating
    • shaking only
    • putting it on paper

  7. What is the result when the material "wet clay" changes by drying?

    • solid ice
    • hard dry clay
    • liquid butter
    • liquid water

  8. Which process describes the change to wet clay?

    • counting
    • weighing
    • drying
    • coloring

  9. How could a student try to reverse this change: chocolate piece becomes soft melted chocolate?

    • rename the material
    • draw a larger picture
    • count the table legs
    • cool it until it hardens

  10. Which order best shows the heating or cooling change for wet clay?

    • hard dry clay -> sorting -> heating
    • wet clay -> counting -> hard dry clay
    • wet clay -> heating -> hard dry clay
    • hard dry clay -> heating -> wet clay
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