Life Of The Sun From Birth To Death

please help! easy science questions!!!?

okay so i have a final tuesday and i have these open endeds so i need as much help as possible. even if you only help with one. PLEASE!

1. name one scientist and explain what theory they developed. be sure to explain any testing that was done and equipment that was used during experimentation.

2 explain the life cycle of a star, from birth to death. both the fate of a star such as our sun and a tar which is more massive. be sure to explain why such changes in the star are occuring.

3. list 5 pieces of lab equipment. explain how each is used to measure, the units used with the equipment.

4. explain the theory of plate tectonice. be sure to include resulant topography and other results of plate interactions.

please help

part of number 1: Alfred Wagner developed tectonic plate theory and that was that the world was all 1 big piece of land called pangea and earthquakes caused them to seperate over like 100 000 000 000 years to get to this point

4: i answered it in number 1 its
Alfred Wagner developed tectonic plate theory and that was that the world was all 1 big piece of land called pangea and earthquakes caused them to seperate over like 100 000 000 000 years to get to this point