Key Vocabulary leader a person who is in charge of a group. mayor the leader of a city or a town. vote to make a choice. What was the final vote? cast your vote. election choosing a leader or leaders by a vote. contenders. count to say numbers one by one and to know how many there are. adult a person who is fully grown. ballot a piece of paper on which you mark your vote. cast your ballot. Republican. Democrat. ...

Key Vocabulary right something that you can do or have by law. responsibility taking care of something an taking the blame if it goes wrong. be responsible. take responsibility. duty. choose to pick something or someone from among others. respect polite behavior toward someone. show respect to. rude. duty something that you must do. vote. act to do something. how you behave. act responsibly. express to tell others your ideas using words, gestures or behavior. ...

Key Vocabulary citizen a person who lives and works in a community. law a rule that people in a community must follow. obey to do what you are told to do. fair equal to everyone. safe in no danger. clean not dirty. traffic sign a sign that gives drivers and walkers information. break laws to do something that laws tell us is wrong. Criminal. problem a trouble or difficulty. Give trouble. Make difficulty. ...

Key Vocabulary community a place where people live, work, and play together. neighbor a person living near your house. next-door neighbor. address the details of a place where you work or live. symbol a sign, number, or letter with a certain meaning. map a drawing of the earth’s surface showing the position of things. Street map. direction the point or position such as north, south, east, or west. compass rose. ...

Key Vocabulary class a period of time to teach a group of students. When is your class? 8:00-9:30. How big is your class? classroom a place in school used to teach a group of students. principal the head teacher of a school. in charge of. rule an instruction about what people must do or must not do. Don’t disturb the other students. responsibility something that people should do. Follow the rule. ...

Key Vocabulary family a group of people who live together and care about each other. share to have or use something with someone. don’t be greedy. role the part a person plays in a group. help to give someone assistance. care about to give attention to someone or something. alike in the same way. Twins. look/act alike. brush to clean with something made of short hairs. make the bed to tidy blanket or covers. Messy. Chores. Set the table. ...

Key Vocabulary mix Mix means to combine two or more things. mixture A mixture is two or more kinds of matter put together. separate Separate means to keep things apart from each other. dissolve Dissolve means to put something into a liquid and make it seem to disappear. plop. fizz. tear Tear means to separate or be separated by force. Be torn. burn Burn means to destroy with fire. ash ...

Key Vocabulary solid A solid is a form of matter with its own shape. liquid A liquid is matter that flows and takes the shape of its container. gas A gas is matter that changes shape to fill its container. vapor Vapor is water in the air that you can sometimes see. freeze Freeze means to change from a liquid to a solid. container A container is something that you can put things in. ...

Key Vocabulary magnify Magnify means to make something look large. Magnifying glass. heavy Heavy means having a lot of weight, not light. light Light means having little weight, not heavy. hard Hard means not easy to break or bend. soft Soft means easy to bend, cut or fold. balance a tool used to find how heavy something is. property anything you learn about an object by using your senses. Characteristics. Features. ...

Key Vocabulary hearing Hearing is the ability to hear. sight Sight is the ability to see. smell Smell is the sense of being aware of things through one’s nose. taste Taste is the sense of being aware of flavor. Tongue. touch Touch is the sense by which we feel things. matter All things are made of this. Matter has weight and takes up space. shape the outer form of something. Block, Cone, Cylinder. ...