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Identify conductors and insulators

Free printable Grade 6 science worksheet for "Identify conductors and insulators" — practice thermal energy. No-prep, print or assign online.

Identify conductors and insulators — free printable Middle School Science worksheetOpen in KiwiBee to download

This challenging middle-school worksheet asks Grades 6–8 students to identify conductors and insulators, exploring how thermal energy moves through or is blocked by different materials. Teachers can use it as focused practice within a Thermal Energy unit, helping students connect material properties to real-world applications in home insulation and electrical safety. Classifying materials by conductivity sharpens scientific reasoning and vocabulary.

Science
Physical Science
Middle School
Worksheets
Ages 11–14
hard

Learning objectives

  • Identify materials as thermal conductors or insulators based on their properties
  • Explain how conductors allow heat transfer while insulators restrict it
  • Connect conductor and insulator properties to real-world applications

Answer Key

Answer key for Identify conductors and insulators — free printable Science worksheet

How to use this worksheet

  1. Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

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