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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

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

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

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

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

Examine the effect of pressure on carbonation in soda.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Find out whether a longer airplane will fly farther or a wider paper airplane.