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Fourth Grade Science Fair Project Ideas

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

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This science fair project idea investigates the difference in reaction times between boys and girls.
Reaction Time
Fourth Grade
Elementary School
Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.
Smell & Taste
Fourth Grade
Elementary School
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Survival Skills
Fourth Grade
Elementary School
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
Keeing Cut Flowers Fresh
Fourth Grade
Elementary School
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Perplexing Pendulum
Fourth Grade
Elementary School
Universal indicator tests the pH value of various household chemicals. Chemicals react with H+ and OH- ions to produce color change.
pH and Color
Fourth Grade
Elementary School
This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Let The Sun Shine In!
Fourth Grade
Elementary School
How do organic materials become soil? This science experiment measures what materials biodegrade.
Dig This: Biodegradation
Fourth Grade
Elementary School
This science fair project idea investigates if fats add to the flavor of food.
Low Fat, Low Taste?
Fourth Grade
Elementary School
Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature
Mood Rings
Fourth Grade
Elementary School
This science fair project idea investigates whether plants can survive being frozen.
The Effects of Freezing on Plant Life
Fourth Grade
Elementary School
This science fair project idea discovers whether there are some objects that do not fall at a constant rate.
Falling Objects Revisited
Fourth Grade
Elementary School
This science fair project idea compares biodiversity between drops of water.
Biodiversity in a Drop of Water
Fourth Grade
Elementary School
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Form and Function
Fourth Grade
Elementary School
This science fair project teaches students about wilting and browning of salad greens.
Why Do Greens Turn Brown?
Fourth Grade
Kindergarten

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