Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Here's a guide to starting a community clean-up project from scratch.

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

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

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

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.