Radioactive Decay
Grade 11 · Science · 45 min
What's Included
Learning Objective
I can calculate the half-life of a radioactive substance using its decay rate.
Warm-Up Video
Unknown Channel · 5:00
GCSE Physics - Radioactive Decay and Half Life #35
Practice Questions
9 questions · Short answer
Exit Ticket
Quick comprehension check
“A radioactive isotope has a half-life of 6 hours. If you start with 5 million radioactive nuclei, how many nuclei will remain after 18 hours? Show your calculations. A radioactive substance has a half-life of 2 days. If you begin with 800,000 radioactive nuclei, how many nuclei will remain after 8 days? Show your calculations. ”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
