The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science fair project idea measures physical dexterity as a function of temperature.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Your preschooler or kindergartener will count their way to Valentine's Day while designing an imaginative and artistic set of counting cards!

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Here's a tasty way to give your child some counting practice.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

Got a fussy eater on your hands? Here's a great way to make fruit appear more appealing, and make eating it a lot more fun, too!

Play this game that lets you create your own silly monster drawing and helps your child practice her counting skills!

Make a brag sash with your child to celebrate an amazing school year filled with accomplishments.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

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.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Help your kindergartener review shapes - and build early reading skills - with this creative book project.

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.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.