Answer:
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
I question what lies above, and Iām shared with those you love. At my sound your hands will shake, and oft heard soon after wake. A card not found in a deck.
I run cold and hot, I look blue but am red. What am I?
Defends your noggin from the hard pavement
What instrument plays from the heart?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.