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2nd Grade Science Projects Activities

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old &ldquo;why&rdquo; questions. As you walk with your child, you can encourage them to ask questions.

Inspire Simple STEAM Exploration

Use pepper and soap to discover some fun facts about the properties of water.

Pepper and Soap Experiment

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Duck Feet

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Which Food Will Mold the Fastest?

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Air Pressure Science Experiment: Balloon and a Jar

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

How to Make a Lemon Battery

In this project children practice the scientific method while playing with puffy paint.

Practicing the Scientific Method with Puffy Paint

This project examines whether people's taste perception is influenced by what they see.

Taste Perception

Start your toy engines -- this is going to be a fast and friction-filled race!

Car Friction: The Science of Going Fast

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Density Experiment

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Leaf Rubbings: Shapes and Patterns

Plants and light seem to be good buddies, but how far does the friendship really go?

Growing in the Dark: Plants and Light

This science fair project idea investigates how magnetism can defy the force of gravity.

Defying Gravity

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Hero's Engine: Example of Newton's Third Law

This classic children&#39;s game demonstrates how sound travels through air vs. through a solid.

How Sound Travels Through Air and Solids

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Feeding Plants

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Like Oil And Vinegar

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Bust That Rust!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Eureka! Volume and the Displacement of Water

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Earthworms and Light: Do Worms Prefer Darkness?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Rate of Evaporation

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Color Changing Milk Experiment

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Demonstrating Photosynthesis: Writing in Grass

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?

A Thunderous Sound

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Floating Paper Clip

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

How Does Pressure Change Minerals?

This classic children&#39;s game-connecting two cups with a string-demonstrates sound&#39;s ability to travel through air vs through a solid.

The Speed of Sound on a String

This science fair project teaches students the differences between fruits and vegetables.

Is it a Fruit or a Veggie?

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