Quick answer: An exothermic reaction releases energy to the surroundings and its temperature rises; an endothermic reaction absorbs energy and its temperature falls. This Chemistry 9-10 quiz checks energy changes with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This energy changes quiz for chemistry grades 9-10 has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on energy changes.
Choose the best answer for each of the ten questions. Read all four options, because the wrong ones are common mistakes about energy and bonds. The explanation after each question shows the correct thinking.
Level: Chemistry grades 9-10 (GCSE · IGCSE · O Level · Class 9-10) · Curriculum: HS-PS1-4
