Jan's teacher showed the class a mirror, a lit flashlight, a burning candle, a thick scarf, a woolen mitten, and a sparkly sticker. Jan's group observed the objects and made a list of those that give off heat.
What did Jan's group notice about the objects that give off heat?
A) They sparkle.
B) They produce light.
C) They are insulators.
D) You wear them to keep warm.
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