Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Use this great no-bake recipe to save energy and keep cool.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

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!

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This project concerns activity happening millions of miles away, on the sun.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea discovers the effect of (high) heat on animal cells.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.