Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

This science fair project idea investigates how color affects temperature.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Here's a pressed leaf card project that puts science and writing together for your second grader.

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

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea investigates how the shape of an object affects drag.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

This project determines what category of person is most likely to be ticklish.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.