GRADES 4-6 EXPERIMENTAL PROJECTS

Understanding Electrical Conductors and Insulators

Demonstration of principals; how is current affected by type of conductor, temperature, filament, etc. 

Compare material and objects for conductivity.

Principles of fluorescent lights; how do they compare with filament bulbs, in effectiveness and cost. 

How metals compare in conducting heat.

How metals compare in density

Egg Floatation (buoyancy)

How do Airplanes fly? What is the best wing shape? 

How do waves carry energy? 

How do magnets work? How are they made? 

Acid and basic solutions, how are they produced, how can they be modified; practical considerations in soil, lakes, food; acid or basic solutions around the house. 

The effects of salts on the freezing point of water. 

Dew - Does it form on clear or cloudy nights? What other frost factors increase the amount of dew? Can you measure how much dew is formed in a square meter. 

Insects:

Personal observations on life cycle

Plants:

How plants reproduce and factors that affect the process

Why do plants move? 

How do plants get nitrogen 

Soil:

The effect of soil components and organic matter on growth of plants. 

Field Studies:

Plants and animal life in a balanced aquarium

End...

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