Final answer:
In case of a science accident, one should not panic, check for injuries, and clean up the mess, following appropriate safety protocols.
Step-by-step explanation:
In the event of a science accident, an appropriate reaction would be (D) All of the above. Initially, one should not panic (Don't panic!) in order to assess the situation calmly. Next, it is critical to check for any injuries by asking Is anyone injured?, which can help prioritize first aid efforts. Lastly, once it is safe to do so, the spill or mess should be properly cleaned up following the instruction Clean up the mess!.
Remember to always follow safety protocols such as reporting the incident to a teacher, as they may need to file an accident report and be aware of any damage to materials or the need to discard chemicals properly. Accidents, such as chemical spills or ingestion of hazardous material, must be addressed immediately with the guidance of a teacher or safety officer. Also, confirm the disposal of waste material with your teacher as certain chemicals require specific disposal methods.