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Second Grade Science Fair Project Ideas

Looking for 2nd grade science fair project ideas for your child's upcoming science fair? 2nd graders are naturally inquisitive, asking dozens of questions about the world around them. Good 2nd grade science fair projects should give kids the tools to seek the answers to their questions, while rewarding them for their innate drive to collect things, count and measure things, and describe things qualitatively. To this end, our team of professional laboratory scientists, science teachers, and educational consultants has put together a rich collection of second grade science fair projects and 2nd grade science experiments that equip kids to engage with the world scientifically.

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For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Second Grade
Electricity and Magnetism
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Second Grade
Weather and Climate
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Second Grade
Electricity and Magnetism
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Second Grade
Weather and Climate
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Second Grade
Weather and Climate
Science fair project that examines condensation and the conditions needed in order for dew to form.
Second Grade
Weather and Climate
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Second Grade
Weather and Climate
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Second Grade
Weather and Climate
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Second Grade
Weather and Climate
How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.
Second Grade
Weather and Climate
This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Second Grade
Weather and Climate

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