Grade 2 - Science

Grade 2 Heating and Cooling Worksheet

6 printable versions - Challenge Me - About 10 minutes each

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Heating and Cooling

Grade 2 - Science - Challenge Me

Worksheet 1

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

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

  3. Which process describes the change to wet clay?

  4. How could a student try to reverse this change: water in a tray becomes solid ice?

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

    Cards for a material change are shown out of order.3 cards placed left to right, each describing one event, each with an empty box for its order number.warm waxcoolingsolid wax

  6. The material "butter" changes by melting. What caused the change?

  7. What is the result when the material "butter" changes by melting?

  8. Which process describes the change to chocolate piece?

  9. How could a student try to reverse this change: wet clay becomes hard dry clay?

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

    Cards for a material change are shown out of order.3 cards placed left to right, each describing one event, each with an empty box for its order number.liquid butterbutterheating
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About this worksheet

Heating and cooling can change materials in observable ways. Some changes, such as melting ice or freezing water, can be reversed by changing the temperature again. Others may be harder to undo, depending on the material and process. Second graders often describe the final state but forget to name what caused the change. This worksheet keeps cause, process, result, and evidence connected. Students identify whether heating or cooling caused a change, name melting or freezing, choose the resulting material, order a short process, and decide how a reversible change could be reversed. Support versions use water and ice. Challenge versions include wax, chocolate, butter, and clay. Encourage your child to ask what temperature change happened first and what observable property changed afterward.

What your child will learn

  • Connect heating and cooling with material changes
  • Identify melting, freezing, and hardening
  • Describe evidence for a changed material
  • Decide whether a change can be reversed

Worked example

Heating an ice cube can melt it into liquid water. Cooling the water enough can freeze it again.

Common mistake

Naming the result without explaining whether heating or cooling caused it.

Helpful hint

First identify the temperature change, then name the material change.

Properties of MatterPushes and Pulls

Questions parents ask

What is the most common mistake with heating and cooling?
Naming the result without explaining whether heating or cooling caused it.
How can I help my child with heating and cooling?
First identify the temperature change, then name the material change.
Are these 2nd grade science worksheets free to print?
Yes. All 6 printable versions on this page are free to download and print, with no account needed.

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