Logic Riddles

Question: I am there !!! but I was!!!

Question: I can climb incredibly high, but only drop so low, it all depends how fast the little ones go....

Question: there are 3 houses. a brown house a green house and white house. if the green house is in front of the brown house. and the brown house is in the back of the green house, Where is the white house?

Question: What is it that no one wants to have, but if he has it, he doesn't want to lose it?

Question: What goes up but never goes down?