(a-dap-tā-shun) n. An adaptation is a feature or behavior that helps animals survive. The cat’s arched back is an adaptation that protects it.
• adjustment(u-just-ment) n. An adjustment is the way you go along with or get used to a change. It takes a while to make an adjustment to a new home.
admire(ad-mīr) v. When you admire someone, you think highly of them. Many people admire Rosa Parks, who worked for civil rights.
(ad-van-tij) n. When you have an advantage, you have a better chance to succeed than others. If you are stronger or faster, it is an advantage.
advice(ad-vīs) n. To give advice means to share wise words. Parents give advice to their children.
• affect(u-fekt) v. When you affect something, you change it in some way. The rain will affect the water level in the lake.
agreement(a-grē-ment) n. To have an agreement is to have an understanding with people about something. We made an agreement to follow the rules of the school.
agricultural(ag-ri-kul-chur-ul) adj. Something that is agricultural is related to farms or farming. Growing vegetables to sell as food is one kind of agricultural business.
• amend(u-mend) v. To amend means to change or to improve. I amended the sentence to make it complete.
• analyze(a-nu-līz) v. When you analyze, you separate something into parts and examine, or study, it. Rey has to analyze the stem of the flower.
• appeal(u-pēl) n. An appeal is a request for a response. The school made an appeal to the community for more textbooks.
• application(ap-lu-kā-shun) n. An application is a form used for filling out a request. The job application was one page.
• appreciate(u-prē-shē-āt) v. When you appreciate something, you understand its importance. You appreciate an umbrella when it rains.
• approach(u-prōch) v. To approach means to come closer or near. The diver approached the dolphin.
argument(ar-gyū-ment) n. An argument is a strong disagreement. My friend and I got into an argument because he was late.
arrest(u-rest) n. An arrest is when a person is taken by a police officer. Police made many arrests of people during the Civil Rights Movement.
astronaut(as-tre-not) n. An astronaut is a person trained to travel to space. Astronauts need special equipment to travel in space.
atmosphere(at-mu-sfir) n. The atmosphere is the air that surrounds Earth. A spaceship can travel outside of Earth’s atmosphere, but an airplane cannot.
• awareness(u-wair-nes) n. Awareness is having knowledge of something. To protect Earth, it is important to have an awareness of things that could harm the planet.
(ban-ish) v. To banish means to send away or punish by making someone leave. The referee banished the player from the game.
bargain(bar-gen) n. A bargain is an agreement between people about what each person gives and receives. He made a bargain with the salesperson for the car.
• benefit(ben-e-fit) n. A benefit is something that is good for people, places, or things. One benefit of exercise is that it makes you strong.
biologist(bī-ol-u-jist) n. A biologist is a person who studies living things. Biologists study how living things grow and where they are found.
(brag) v. To brag means to show too much pride about doing something well. The fisherman bragged that he caught more fish than anyone else.
bravery(brā-vu-rē) n. Bravery means courage, or not being afraid. Firefighters show bravery when they put out fires.
brotherhood(bruth-ur-hood) n. A brotherhood is a close group of people. A sports team can be a brotherhood.
business(biz-nis) n. A business is where you do work for money. Some people’s place of business is in an office.
• Academic Vocabulary