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. ...
Key Vocabulary reduce If you reduce, you use less of something. reuse If you reuse, it means you use something again. recycle If you recycle, you make something new from something old. pollution Pollution is harmful materials in the environment. Air pollution, Water pollution, Land pollution. conserve Conserve means to use carefully and without waste. trash Trash is another word for rubbish. This is something you do not need. Garbage. Take out the trash (chore). ...
Key Vocabulary sand This is a material that come from rocks. There is a lot of sand on a beach. clay This is a sticky and soft material from the earth. topsoil This is the soil nearest the surface of the ground. Topsoil is loose and soft. humus This is a substance made from dead plants and animals. Humus is in soil. granite This is a very hard, dull (gray) colored rock. Countertop. ...
Key Vocabulary natural resource something from nature that people can use. Water, air, wood, and minirals are natural resources. mineral a substance that comes from rock and soil. Minerals are nonliving things. wood the material from trees used to make paper, furniture, etc. gold a precious, yellow mineral. Gold is used for jewelry. silver a shiny gray mineral. Silver is used for making knives and forks. Silverware. copper an orange mineral. Electricity travels through copper. ...
Key Vocabulary flood A flood happens when it rains a lot and the rivers and streams overflow. drought A long period of time when there is little or no rain. The land gets very dry. crack an opening in the ground. A crack is made when the land is dry. weathering the breakdown of rocks by the action of rain, snow, wind, etc. erosion when rocks and soil are moved by wind or water to a new place. ...
Key Vocabulary river A river is a long, moving piece of water. lake A lake is a large area of water. A lake is smaller than an ocean. fresh water mountain A mountain is the highest kind of land. A mountain is very steep. Mt. Everest plain A plain is a flat land. There are not many trees on a plain. Horizontal hill A hill is a high area of land. A hill is smaller than a mountain. gentle rolling hills ...