Death collider

Questions & Answers
1

When this spheare hits me in the game i need it to kill me on inpact what would I type?

2

Listen to this tutorial to learn how to handle collisions, you will need it:
http://www.unity3dstudent.com/2010/07/beginner-b01-basic-collision-detection/

Now, when you’re handling a collision, in OnTriggerEnter() or OnCollisionEnter() of the script attached to the object you want to destroy, simply use:

Destroy(this.gameObject);

to destroy the object