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Fourth Grade Science Fair Project Ideas

Building off of what they learned in 3rd grade, 4th graders add a new level of sophistication to their 4th grade science projects. In addition to describing data quantitatively, kids begin to use their observations to formulate scientific arguments and engage in scientific debate. 4th grade science fair projects may involve kids going beyond testing a hypothesis—young scientists can be encouraged to use their results to make predictions about what might happen when the experiment is expanded to test new variables. Education.com's selection of fourth grade science fair project ideas are carefully written with 4th graders in mind, giving them the tools they need to effectively learn about the world around them by pursuing the answers to their questions in a methodical way.

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This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Fourth Grade
Engineering
In this CD hovercraft science project, students will construct their own DIY hovercraft.
Fourth Grade
Engineering
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Fourth Grade
Engineering
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Fourth Grade
Engineering
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling
into the moat.
Fourth Grade
Engineering
The purpose of this science fair project is to determine how accurate and precise dart players are.
Fourth Grade
Applied Mathematics
This science fair project idea examines the reason boats are shaped and engineered.
Fourth Grade
Engineering
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Fourth Grade
Engineering
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Fourth Grade
Applied Mathematics
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Fourth Grade
Engineering

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