Tools help scientists make better observations, measurements, and equipment for investigations. They help scientists see, measure, and do things that they could not otherwise see, measure, and do. Science in Personal and Social Perspectives Personal health Safety and security are basic needs of humans. Safety involves freedom from danger, risk, or injury. Student understandings include following safety rules for home and school, preventing neglect, and avoiding injury.
Individuals have some responsibility for their own health.
Nutrition is essential to health. Students should understand how the body uses food and how various foods contribute to health. Recommendations for good nutrition include eating a variety of foods, eating less sugar, and eating less fat. Students should understand that some substances, such as prescription drugs, can be beneficial, but that any substance can be harmful if used inappropriately. Types of resources Resources are things we get from the living and nonliving environment to meet the needs and wants of a population.