Kids Riddles

Question: One day a bunny went golfing, he wore 2 pairs of pants, Why?

Question: What do you call a bruise on a T-Rex?

Question: How can you throw a ball 20 meters, and have it come back to you without hitting anything?

Question: In spring I look gay, Covered in a green array, The warmer it gets the more clothing I wear, As the cold grows, I throw away my clothes.

What am I?

Question: If you have an 11 minute and 13 minute hourglass, how can you accurately time 15 minutes?