| A | B |
|---|
| basic needs | plants and animals require food, water, living space, and air to grow and be healthy |
| thermometer | - a tool used to measure temperature |
| hygiene | the state of cleanliness that prevents illness and maintains health |
| clay | earth material that is sticky and easily molded when wet and hard when dry |
| rock | earth material made of minerals |
| sand | an earth material, the largest particles that make up soil; grains of weathered rock |
| life cycle | a series of stages that occur during the lifetimes of all organisms |
| earth materials | earth material that is sticky and easily molded when wet and hard when dry |
| water cycle | the movement of water from Earth’s surface into the air and back again including evaporation, condensation, precipitation, and collection/runoff |
| erosion | the moving of soil or rocks by mechanisms including gravity, wind, water, ice, plants or animals |
| wind | movement of air caused by differences in air pressure |
| health | - the general condition of the body and mind |
| humus | a dark brown earth material that is made up of decomposed plants and animals |
| loam | an earth material that has the right amount of silt, clay, and sand for good plant |
| nutrition | the science or study of proper balanced diets to promote health |
| fruit | - a pulpy or juicy plant part that contains the seeds including apple, peach, orange, berries, nuts, burs |
| healthy | the condition of being free from sickness or disease |
| pollution | harmful or unwanted waste material that is added to the air, water, or soil |
| soil | mixture of earthen materials (clay, sand, and silt), water, gases, and the remains of decayed organisms |
| nutrient | a chemical found in food that nourishes an organism |
| silt | an earth material, a soil particle smaller than sand and larger than clay |
| organism | any living thing that can carry out life processes on its own |
| temperature | - measurement of hotness or coldness |
| star | a huge ball of very hot gases in the sky that gives off energy including light and heat |
| vegetable | plant whose roots, leaves, stems, flowers, seeds or pods are used as food |
| sun | the star at the center of the solar system and closest to Earth that provides light |
| environment | all external conditions and factors, living and non-living that affect an organism |
