2nd - 4th Grade Science Projects Resources : Page 13

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea provides evidence that air is everywhere and takes up space.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

Discover whether a metal will expand under hot water.

This science fair project will help students learn about non-vascular plants, such as mosses.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.