Back to Discover
⚛️

Radioactive decay

physical science Maturity 11-13 Vital Level 3

Some tiny things are not still.

Halflife-sim.gif
Halflife-sim.gif
They let out energy. This energy moves away. It can change the tiny thing. This can even change what it is. It is a big mystery.
Pierre and Marie Curie.jpg
Pierre and Marie Curie.jpg
Do you want to learn more?

43 words
🖼️ Images & Media (9)
File:Pierre and Marie Curie.jpg
Pierre and Marie Curie.jpg
File:Crookes tube xray experiment.jpg
Crookes tube xray experiment.jpg
File:Periodic Table Stability & Radioactivity.svg
Periodic Table Stability & Radioactivity.svg
File:Radioactivity and radiation.png
Radioactivity and radiation.png
File:Alfa beta gamma radiation.svg
Alfa beta gamma radiation.svg
File:Radioactive decay modes.svg
Radioactive decay modes.svg
File:Decay_Chain(4n+1,_Neptunium_Series).svg
Decay_Chain(4n+1,_Neptunium_Series).svg
File:Halflife-sim.gif
Halflife-sim.gif
File:DecayRate vs Solar Time.png
DecayRate vs Solar Time.png
Up Next
⚛️
Decay energy
Physical Science
More to explore

🔬 Go deeper

More advanced topics to explore

🪜 Step back

Simpler topics to build understanding