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Fourth Grade Botany Science Fair Project Ideas

Browse from many free fourth grade botany science fair project ideas. These fourth grade botany science fair projects are a great place to find ideas for an upcoming science fair.

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This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Keeing Cut Flowers Fresh
Fourth Grade
Botany
This science fair project idea identifies trees using a dichotomous key.
Using A Dichotomous Key To Identify Trees
Fourth Grade
Botany
This science fair project teaches students about wilting and browning of salad greens.
Why Do Greens Turn Brown?
Fourth Grade
Botany
This science project has students collect wood samples and invent new uses for different types of wood based on its properties.
All About Wood
Fourth Grade
Botany
The purpose of this science fair project is to determine whether a mordant causes natural dye be brighter or longer lasting.
Does a Mordant Make a Natural Dye Brighter or Longer Lasting?
Fourth Grade
Botany
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Stumped?
Fourth Grade
Botany
In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.
Give Me Some Light
Fourth Grade
Botany
The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.
Music and Plants
Fourth Grade
Botany

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