2nd and 3rd Grade Science Resources : Page 13

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This biodiversity project examines the biodiversity in your own backyard.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This project compares the strength of one, two, and three-ply toilet paper.

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

This science fair project idea explores the egg's thin membrane.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project idea explores substances that cause a bubble to last longer.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science fair project idea determines what household items are good conductors of electricity.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this experiment we will be determining whether birds prefer certain colors of seed.