In this challenge, students are tasked with creating a car that can be powered by a balloon!

Use a dichotomous key to identify plants or animals.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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

This science fair project demonstrates the "power of conformity".

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Think about the adaptive utility of an important aspect of our physiology.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that determines whether moths are attracted to one color of light more than others.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.