Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

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

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea determines effective strategies to help students stay awake and attentive.

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

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Get your child excited about measuring with this fun and easy household measurements activity.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!