3clues that indicate a chemical change

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules