(rē-sī-kul) v. To recycle means to use again, usually in a different way. People usually recycle glass, paper, and plastic.
reef(rēf) n. A reef is a series of plant life near the surface of the ocean. A reef is home to many ocean animals.
• refer(ri-fur) v. Refer means to relate to something that came before. I will refer to the last chapter if I have trouble understanding this one.
• reflect(ri-flekt) v. To reflect means to be a sign of something. Manuel’s good grades reflect his intelligence.
• region(rē-jun) n. A region is a specific area. The Arctic region is covered in snow and ice.
• release(ri-lēs) v. When you release something, you let it go. The woman released the balloon into the air.
remember(ri-mem-bur) v. When you remember something, you think of it again. My sister always remembers where she puts her keys.
• research(rē-surch) v. When you research something, you look for information about it. I went to the library to research butterflies.
• resource(rē-sors) n. A resource is something you can use. Trees are a natural resource for wood used in house building.
respect(ri-spekt) n. When you have respect for someone, you have a good opinion of that person. You show respect by being polite.
• response(ri-spons) n. A response is an answer or reply. A response can be either spoken or written.
• result(ri-zult) n. A result is the outcome of a scientific experiment or test. The results of our experiment were not what we expected.
riddle(rid-ul) n. A riddle is a puzzle or tricky question. A person solves a riddle by finding the answer.
• role(rōl) n. A role is a position someone has in a certain situation. Luke does a great job in his role as the class leader.
• route(rowt) n. A route is a path that leads somewhere. The bridge is the quickest route to the other side of the river.
ruler(rü-lur) n. A ruler is a person who runs a country. Elizabeth I is known by many as England’s greatest ruler.
(sī-en-tist) n. A scientist studies things in nature. The scientist used a microscope to look at cells.
search(surch) 1 v. To search for something means to look for it. 2 n. A search is the act of looking for something. They are on a search to find a missing person.
• section(sek-shun) n. A section is one part of something. I cut the sandwich into equal sections.
segregate(se-gri-gāt) v. Segregate means to separate or keep apart. Gym classes usually segregate the boys and girls.
• sequence(sē-kwens) n. The sequence of events is the order in which the events happen. I do the same exercises in the same sequence every morning.
serious(sear-ē-us) adj. When you are serious about something, you feel that it is important. Many people are serious about their work.
service(sur-vis) n. A service is something done to help someone else. Free gift-wrapping is a service some stores provide.
settler(set-lur) n. Settlers are people who move to a new area to live. American settlers worked hard to survive in their new homes.
shelter(shel-tur) n. A shelter is something that covers and protects you. A bus shelter can protect you from the weather.
shore(shor) n. A shore is the land beside a large body of water. A shore can be rocky or made of sand.
• similar(si-mu-lur) adj. Things that are similar are almost the same. The sisters look very similar to each other.