Q:

Animation: Make object visible

I have a curve wich is a graph of something. Now I want to animate the graph to get larger by the time and then being fully visible. Hard to describe, I mean something like this without kamera movement: https://www.youtube.com/watch?v=0jJqYwrjt6s
Thanks for your help!

A:

You need to animated the bevel end factor of a curve object.  
Step 1: Add curve and change its shape in edit mode.

Step 2: Set key frames for the bevel end factor in the curves panel

And the result:

