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The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

This science fair project idea explores whether talking to a plant will help it grow.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea examines which type of insulation holds in the most heat.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this activity your child will create their very own marble maze!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The objective of this science project is to determine the length of time for different seeds to germinate.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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