What type of plate boundary moves apart at the middle and create ocean ridges?
Divergent
What does potassium 40 decay to?
Argon 40
What is the planet that is know as the dwarf planet in our solar system?
Pluto
What did earth form due to?
Gravity
What are the three plate boundaries we have talked anout?
Divergent, Convergent, Transform
What does Uranium 235 decay to?
Lead 207
What is the name of the planet with the ring around it?
Saturn
How did gravity help form the planet Earth?
It pulled in material
What plate make the continent thinner and makes it break easier?
Divergent Plate
What does Uranium 238 decay to?
Lead 206
How many gas giants are in our solar system?
4 planets
Where in the planets layers did gravity pull the denser materials?
To the core of the earth
Most Geological activities occur at what?
Plate Bounderies
What is the halfway of Uranium 235 life in years?
200 million years old
What planet has a giant red storm on its surface.
Jupitor
Were did the lighter material go due to gravity?
To the surface of the earth
What are convergent plates?
when plates merge together
What are the oldest known rocks of potassium 40?
1 billion years old
What is our galaxy orbiting?
A massive black hole
How long ago did the earth form due to scientific studies?
4.6 Billion years ago