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plowed field

Soil and Sustainability (Grades 6-8)

  • Lesson
  • Grades 6 – 8

Students are introduced to the Dust Bowl and determine how to avoid another event like it in the future as they study soil texture, particle sizes, soil nutrients, and pH.

Landscape of a natural Iowa wetland in the summer with natural ponds and tall green grass.

Watersheds, Soil Profiles, and Erosion

  • Lesson
  • Grades 6 – 8

Students develop an understanding of what factors impact water quality within watersheds, what soil types/profiles are most susceptible to erosion, and what factors impact water quality within watersheds and how to mitigate erosion on susceptible soils.

water drop ripple

Water Quality

  • Lesson
  • Grades 6 – 8

Students investigate the effects of added soil nutrients on water quality, perform chemical and physical tests on water samples, collect and identify macroinvertebrates from a freshwater system and compare physical, chemical and biological factors of an aquatic ecosystem to determine water health.

cob of corn on plant

Growing America

  • Lesson
  • Grades 6 – 8

Students determine corn anatomy and function of plant parts, identify stages of plant development in corn, and research how temperature plays a role in corn growth as they calculate growing degree units (GDUs) for a region.

thanksgiving dinner laid out: turkey, potatoes, gravy, rolls, casserole, veggies

The Geography of Thanksgiving Dinner (Grades 6-8)

  • Lesson
  • Grades 6 – 8

Identify common Thanksgiving foods and their farm source, determine if those foods can be produced locally, and locate the common origins of their Thanksgiving day dinner.

Sun shining through leaves of a tree

Photosynthesis: Energy's Journey From Farm to You

  • Lesson
  • Grades 6 – 8

Explore photosynthesis to discover how plants obtain energy from the sun and then continue following energy's path to see how energy can flow through ecosystems to ultimately provide food for humans.

Sour sauerkraut, pickled carrots, pickled cucumbers, pickled celery in glass jars

Microorganisms: Good Guys or Bad Guys?

  • Lesson
  • Grades 6 – 8

Students will explore and observe microorganisms at work in decomposition as well as in the production and preservation of food. Activities include creating a "decay buffet" and identifying grocery store foods that contain or are made with the help of microorganisms.

depiction of ancient Egyptians threshing wheat

Wheat: Ancient and Ageless

  • Lesson
  • Grades 6 – 8

Students will explore the importance of wheat in the development of culture by learning about the advent of agriculture, discussing wheat cultivation in ancient Egypt, threshing a head of wheat with their hands, and making a corn dolly out of wheat stems.

family eating at a restaurant

Healthy Eating Away From Home (Grades 6-8)

  • Lesson
  • Grades 6 – 8

This lesson highlights awareness of consuming nutrients and calories away from home, and where to find the calorie and nutrition information for foods available in fast food restaurants. It also highlights how to determine individual calorie needs, as well as the number of calories in a typical fast food meal, and it focuses on dietary goals for saturated fat and sodium.

Bowl of various fruits

FoodMASTER Middle: Fruits

  • Lesson
  • Grades 6 – 8

Students will learn the concept of enzymatic browning and methods for decreasing enzymatic oxidation by observing three types of fruit. Students will also understand the relationship between oxidation and antioxidants and the role fruits play in health and nutrition.

Selection of protein sources in kitchen background

FoodMASTER Middle: Protein

  • Lesson
  • Grades 6 – 8

Students will examine dietary sources of protein and generally understand the relationship between protein synthesis and amino acids while completing an activity to use beads as a representation of amino acids to construct proteins (polypeptide chains). Students will identify complete and/or incomplete proteins found in both animal and plant food sources.