Burn, Second-Degree A burn is an injury that's caused by heat or fire. A second-degree burn is more serious than a first-degree burn. It hurts the top two layers of the skin: the epidermis, and the dermis. Back to Articles Related Articles Being Safe in the Kitchen Cooking and baking are lots of fun - as long as you stay safe. Read this article for safety tips before you head into the kitchen. Read More Word! Burn, First-Degree A first-degree burn is one that only hurts the top layer of skin. Read More How to Be Safe When You're in the Sun It's fun to be outside on a hot, sunny day. But too much sun and heat can make you feel terrible. Find out how to stay safe in this article for kids. Read More Your Skin No matter how you think of it, your skin is very important. It covers and protects everything inside your body. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.