I am Cold

Can you name the four days of the week that begin with letter "T"

I am the fifth planet from the sun.

I am the fastest spinning planet in the solar system.

Who am I?

I am a farm animal. I eat grass.

I am big and intelligent. I carry people and things.

I help with work. I run quickly.

What am I?

What five-letter word becomes shorter if you add two letters to it?

I am the seventh planet from the sun.

I have 27 moons. My nick name is "Ice Giant".

Who am I?