• Astronomy
• Biology (Life Sciences)
• Botany (Plant Sciences)
• Ecology
• Engineering
• Food Science/Nutrition
• Geology
• Meteorology

Astronomy

• The Solar System
• The Sun, Moon and Earth

Biology

• A Balanced Aquarium
• A Cow's Horn
• Animal Movement
• Ants
• Bees
• Butterflies
• Carbon Dioxide and Man
• Care and Feeding of Birds
• Flies
• Growing Trees
• How a Tooth Decays
• Human Eye
• Insects
• Insects: Good Guys or Bad Guys?
• Migration of Birds
• Our Friend the Wren
• Parts of a Bird
• Parts of a Hen's Egg
• Parts of a Horse
• Parts of the Eye
• Prehistoric Animals
• Primitive Animals
• Rats are Eating your Food
• Tales, Trails and Tails of the Wolf
• The Age of Reptiles
• The Beaver
• The Coyote
• The Earthworm, Master Plowman
• The Human Heart
• The Jack Rabbit
• The Prarie Chicken

Botany

• Cotton Culture
• Flower Collection (Annuals, Biennials, Perennials)
• Germination
• How Plants Reproduce
• Miniature Greenhouse
• Parts of a Flower
• Seed Collection
• The Life Story of a Tree
• Wood Collection

Ecology

• Ecology of our School Grounds
• Habitat Studies
• Nuts, cones, wild flowers, shells

Engineering

• A Model Arm

Food Science/Nutrition

• A Healthy Breakfast
• Fat is Fatal
• Food Values
• Inside Fruit

Geology

• Coal
• Natural Gas
• Rock Collection

Meteorology

• Clouds