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Science Fair Project Ideas

Great selection of sixth grade science fair project ideas. These science fair projects can help you find sixth grade level ideas for your science fair.

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Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.
How do Culverts Afffect Plant Growth in Streams?
Sixth Grade
Botany
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Sixth Grade
Weather and Climate
This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Natural Herbicide vs. Commercial Herbicide
Sixth Grade
Botany
This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.
Which Part of the Walnut Tree Contains the Greatest Concentration of Allelopathic Substances?
Sixth Grade
Botany
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Flow Rate and Plant Growth
Sixth Grade
Botany
In this science fair project, students find out how color affects how hot something gets.
Do Some Colors Create More Heat than Others?
Sixth Grade
Weather and Climate
This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.
Apple Allelopathy: Accelerating the Ripening Process
Sixth Grade
Botany
This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.
Which Plants can Resist Walnut Tree Allelopathy?
Sixth Grade
Botany
In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.
Symbiosis: Plants, Nitrogen, and Bacteria
Sixth Grade
Botany
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Centigrade and Fahrenheit: What Do They Really Mean?
Sixth Grade
Weather and Climate
Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!
Under What Conditions Do Potatoes Sprout The Fastest
Sixth Grade
Botany
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Too Cold To Snow?
Sixth Grade
Weather and Climate
Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.
The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable
Sixth Grade
Botany
Explore if planting seeds in a certain direction will affect how fast it germinates.
Do You Need To Plant Seeds A Certain Direction For It To Germinate?
Sixth Grade
Botany
Find out whether packaged seeds actually do expire in this new science fair project idea.
Do Packaged Seeds Expire?
Sixth Grade
Botany

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