Compare sort and group objects according to observable properties. Use standard units to measure length and perimeter. Use drawings, tables, graphs, written and oral language to describe objects and explain ideas and actions. Explain or interpret an observation based on data. Use knowledge and observations to identify and explain in advance what will happen.
Organisms have basic needs and can only survive in environments where their needs are met.
Describe the diversity of life forms supported by different environments. Investigate the relationship between the basic needs of organisms and whether or not an environment meets those needs. Use the senses to gather information about objects. Compare sort and group objects according to observable properties. Use standard units to measure length and perimeter.