Answer:
I climb higher as I get hotter. I can never escape from my crystal cage.
When I get closer my tail grows longer but when I go away my tail leads the way.
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
What two things can you never eat for breakfast?
Every night I'm told what to do, and each morning I do what I'm told. But I still don't escape your scold. What am I?
What scientists might call your pooch.