Key Vocabulary needs things that you must have to live. wants things that you don’t need but wish to have. scarcity not enough of something. scarce. money something that people use as a means of exchange. bill paper money. note. large/small bill. coin money that is made of metal. change. quarter a coin that is worth 25 cents. penny a coin that is worth 1 cent. smallest currency. nickel -> 5 cents. dime -> 10 cents. ...
Key Vocabulary invention something new or a new way of doing something. tool a thing that helps people do a job. education teaching or training people and the things people learn. information facts or details that you know about something. communication the way people share ideas and exchange information. to communicate. machine a tool with complex parts that is used for a particular job. printing press a machine that is used to make books or newspapers. ...
Key Vocabulary life the way a person lives. lifestyle. dress a type of clothing for women and girls. shelter a place to live or stay. apartment. house. tent. clothing covering that people wear. put on clothes. wear clothes. take off clothes. crop a plant that people grow as food. rice. corn. wheat. farm a piece of land where people grow crops or animals. harvest the gathering of the crops. It’s harveest time. fall. ...
Key Vocabulary sunlight The light from the sun. It helps plants to grow. air The gases that surround the earth. We cannot see air, but it is everywhere. water A liquid that is necessary for life. Water moves food to the parts of a plant. space The area available for use. If there is a space, a plant can grow big and strong. soil Soil is where plants grow. Soil is the top part of the earth. ...
Key Vocabulary life cycle A life cycle is the series of changes occuring in an animal or plant. seed A seed is the small part of a plant from which a new plant may be grown. seedling A seedling is a young plant that comes out from a seed. sprout If a plant sprout, new leaves begin to grow on it. seed coat A seed coat covers and protects a seed. ...
Key Vocabulary plant A plant is a living thing that grows in the ground. It needs air, water and sunlight. root The roots of a plant take in water and hold the plant in the soil. stem A stem carries food and water through the plant. It hold up the plant. leaf A leaf takes in light and air. Leaves help the plant get food. flower Plants have flowers. Flowers make fruit. Flowers are very beautiful. ...