Julian's Science Fair
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3rd Grade Science Fair Projects
Free Project Examples and Ideas by Grade Level

See also:
Grade 2 Science Fair Project Ideas and Examples
Grade 4 Science Fair Project Ideas and Examples
Primary School Science Fair Project Ideas and Examples
Elementary School Science Fair Project Ideas and Examples

Endangered Species
Investigate the Sprague’s Pipit [View Project]
The black-tailed prairie dog [View Project]
Why is the piping plover endangered and what can be done to help it? [View Project]
Describe the biology and habitat of the swift fox. [View Project]
Explore the burrowing owl [View Project]
Explore the sage grouse. [View Project]
Research The Loggerhead Shrike [View Project]
The kangaroo rat and its adaptations for survival in a desert habitat [View Project]

The effect of water depth on wave speed and energy generated [View Project]
Find out whether micro-algae can produce bio-oil which can be turned into bio-diesel [View Project]
House Color Effect on the Temperature Inside The House [View Project]
Food vs. Fuel [View Project]

Design and test a simple waste digester and a gas collection system. [View Project]
How does acid rain affect plants? [View Project]

Discovering photosynthesis: which colour of light is best for growing plants - green, red or white. [View Project]
Does the amount of fertilizer given to a plant affect its growth? [View Project]

Which food would mold first? [View Project]
Determine if turmeric can prevent the growth of bacteria which cause foodborne illnesses. [View Project]

What type of cup is better for keeping hot drinks? [View Project]
Explore where diamonds are found, how they are formed, and what they are used for. [View Project]

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Last updated: June 2013
Copyright © 2003-2013 Julian Rubin