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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

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

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea explores the different properties & interactions of sugar molecules.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

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

This science project idea examines the effect of microwaving on various objects.

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.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

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

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

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.