ESCI A.S1.O1.A2 Age of the Solar System
Identify the scientific evidence for the age of the solar system (4.6 billion years), including Earth (e.g., radioactive decay).
Watch the following video and do the additional reading about evidence of the age of the solar system.
Questions to consider:
- What is an isotope?
- What is radioactive decay?
- How can we use it to date how old a rock is?
- Why are comets and meteors better to use for the age of the solar system than the Earth's crust?
Videos:
ESCI A.S1.O1.A2 Age Of The Solar System Links to an external site.
Readings:
Age and Origins of the Solar System Links to an external site.
Age of the Earth Links to an external site.