PreK-2
C4: Provide examples of causes of diseases.
|
|
|
|
|
Some of this is not easily shown to students. Being aware of probable student conceptions (see instructional implications) may help when attempting to convince students that the following things are true: |
|
|
|
|
|
Research shows that some young students believe that disease is "punishment" for being "bad." Elementary students may have the following ideas about germs: germs enter the body through the mouth while eating and leave the body through the mouth; every illness is caused by germs; all diseases are caused by the same kind of germ, the process of infection is automatic; any infection in the body necessarily makes it ill; and when medicine is administered healing takes place immediately. Benchmarks p. 345 Students should understand that some substances, such as prescription drugs, can be beneficial, but that any substance can be harmful if used inappropriately. NSES F1d At this level, it will be important to be as concrete as possible with the concept of diseases, focus on experiences they know such as sneezes, coughs, and runny noses. |
|
|
|
|
|
|