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Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this activity, your child will be challenged to make a tower using paper cups.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.