Science Objects are two hour on-line interactive inquiry-based content modules that help teachers better understand the science content they teach. This Science Object, co-developed between FDA and NSTA, is the last of four Science Objects in the Nutrition SciPack. It demonstrates that variety, balance, and moderation in overall food choices are essential for human health, growth, and energy. The amounts of specific nutrients recommended for healthy people depend on age, gender, heredity, and—for females—pregnancy and lactation. Energy recommendations—measured in calories—are set for age, gender, and physical activity level. Basal metabolic rate and body efficiency also impact energy needs. Food-guidance systems (e.g., MyPyramid) and nutrition information on food labels are founded in science-based evidence for nutrient and energy intake (e.g., Dietary Reference Intakes) and science-based dietary guidelines (e.g., Dietary Guidelines for Americans), and help people apply these recommendations to their daily food and lifestyle decisions. The food choices individuals make affect their nutritional status, and are influenced by personal, hereditary and social factors, as well as by individuals’ understanding of biological consequences.
NSTA also has the great SciGuide and free SciObjects abailable to members. They are a wonderful resource for elementary...
Posted in Life Science
by Patricia Rourke
on Mon May 09, 2011 7:14 PM
The Nutrition SciPack contains a great deal of information about the chemistry and biology related to the food we eat. T...
Posted in Chemistry
by Jennifer Rahn
on Tue Nov 16, 2010 2:44 PM
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Science and technological challenges in society
Growth and development
|Intended User Role:||Elementary-Level Educator, High-School Educator, Middle-Level Educator
|Educational Issues:||Inquiry learning, Professional development, Teacher content knowledge
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