Glossary
• evaluate(ē-val-yu-wāt) v. To evaluate means to judge something’s value or worth. The coach will evaluate all students who want to play basketball.
evil(ē-vul) adj. Something that is evil is very bad or harmful. Some people believe rattlesnakes are evil because their bite is dangerous.
(eks-spair-i-ment) n. An experiment is an activity that someone does to test an idea. The students are doing an experiment in their science class.
• explain(eks-splān) v. When you explain an idea, you make it clear so people can understand it. Lucy explains the rules of the game to her sister.
• explanation(ek-splu-nā-shun) n. An explanation is a statement that makes an idea clear. Her explanation makes the directions easy to understand.
explorer(eks-splor-ur) n. An explorer travels somewhere to study something. Explorers find out what is special about a new place.
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• fact
(fakt) n. A fact is a piece of information that is true. It is a proven fact that Earth revolves around the sun.
familiar(fu-mil-yur) adj. Something that is familiar is already known. He was happy to see a familiar face at the party.
famous(fā-mus) adj. Something that is famous is very well known. Many people have seen the famous Statue of Liberty.
fascinated(fa-su-nā-tud) adj. To be fascinated means to be very interested in something. The student is fascinated by the model.
festival(fes-tu-vul) n. A festival is a special event or party. Dancers perform at the festival.
flow(flō) v. To flow means to move freely. A river flows without stopping.
• force(fors) 1 v. To force means to push. Too much weight forces the ice loose. 2 n. A force is a great power in nature. The force sent ice flying.
forest(for-ust) n. A forest is a place that has lots of trees. Many forests have been cut down to make room for new buildings.
forget(for-get) v. When you forget something, you stop thinking about it. The boy leaves without his shoes. He forgets them.
fortunate(for-chu-nut) adj. Someone who is fortunate is lucky. The family is fortunate that their house did not burn in the fire.
• freedom(frē-dum) n. If you have freedom you are not limited in what you do. The bird was released and given freedom.
frightened(frī-tund) adj. To be frightened is to be afraid or scared. When I’m frightened at the movies, I cover my face with my hands.
future(fyū-chur) n. The future is what will happen in the time to come. I am going to a concert at some time in the near future.
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• generate
(je-nu-rāt) v. To generate means to make something. Windmills generate energy that people can use.
• globe(glōb) n. A globe is a model of Earth. A globe shows the shape of the land. The blue represents oceans.
(goodz) n. Goods are things that people buy and sell. Stores sell goods. For this meaning, goods is always plural.
government(gu-vurn-munt) n. The people who control the country according to certain laws are the government. Washington, DC, is the center of the U.S. government.