A student wants to conduct an investigation to find out how much heat energy a 100-gram rock can transfer to water. He has the r
ock and 300 grams of water in an insulated container. The water is at 20°C. He heats up the rock to 50°C, and places it in the water. What is the most important data for the student to record for this investigation? I need help with 7th grade science
