This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Examine the effect of pressure on carbonation in soda.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Have your child kick off their summer vacation by making a miniature water slide!

In this fun activity, your child will create their very own solar oven to bake s'mores!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Demonstrate how to tell the age of an egg without having to crack it open.

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

Discover which fabrics shrink the most in the wash and why.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea investigates which objects float and sink in honey, water, and oil.