Teach your first grade scientist the difference between liquids and solids using maple syrup.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Cleaning can be a chore, but not with this sudsy experiment!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Help your child create her very own invention just like Leonardo da Vinci as she develops her critical thinking skills and lets her imagination soar!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

The objective of this science project is to determine the length of time for different seeds to germinate.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.