1. List five objects in your daily life that produce sounds with a high pitch and five that produce sounds with a low pitch.

Julia would be observing a. static electricity was caused by her sweater rubbing against her shirt and transferring electrons. she didn't touch anything metal, so that would cancel out b.she most likely didn't rub her sweater against her hair either, so that cancels out c.she also didn't scoot across the carpet while trying to take her sweater off, that cancels out d.so that leaves a.a. is correct.

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings.