What Am I Riddles

Question: I am full of light but left in the dark. I have a temper that pushes my single sibling. I have many friends very far away and I disappear in the light when it is my sibling's turn to push me back. What am I?

Question: I come in varieties of color and am found almost year round. My house is tall and my only fear is the cold. What am I?

Question: I smash but I never hurt you. Give me your unwanted items and I will eat them and take them so you can get more. Some people might not like me while others may but I still come around on certain days. What am I?

Question: (1) What am I and (2) how do you spell it?

Question: What is bright and sunny?