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Engage your Year 8 students in an interactive, inquiry-based exploration of isotopes and atomic mass with this ready-to-use worksheet, designed to complement the PhET interactive simulation.

Ideal for Key Stage 3 Science, this resource encourages collaborative learning, critical thinking, and scientific literacy through a structured blend of pre-lab revision, guided simulation tasks, and post-lab reflection activities.

What’s Included:
Fully guided student worksheet (print-friendly)

Linked PhET Simulation: Isotopes and Atomic Mass

Learning Objectives:
Understand what isotopes are and how they differ

Calculate atomic mass using isotope data

Investigate the relationship between isotopes and atomic mass through simulation and analysis

Why you´ll love it:
Supports differentiated instruction and group collaboration

Encourages hands-on learning and data interpretation skills

Can be used for classwork, homework, or lab-based lessons

This worksheet is ideal for teachers seeking a complete, low-prep lesson on isotopes and atomic mass that aligns with KS3 learning goals while introducing students to simulated scientific exploration.

Download once – use for years to come!

Add it to your classroom toolkit and watch your students develop a stronger understanding of atomic science through interactive, inquiry-based learning.