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Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Put your kid in charge of her own survey! She'll poll her relatives and friends, collect information, and then create a colorful chart to display her findings.

This project explores what happens to a rubber band when it is heated and cooled.

Celebrate 100 fantastic days of school by creating a school-themed collage with 100 pieces in this unique arts and crafts activity.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Guessing is more than pure fun, it's also a key part of kindergarten math. Here's a fun way to bring estimation to the breakfast table.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Gather the neighborhood children together and practice graphing with this backyard tournament!

This experiment will explore the best way to create a perfect soft-boiled egg.

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

Determine whether the application of Febreeze will lower the bacterial count.

Here's a Halloween, math activity: have your preschooler or pre-kindergartener carve shapes into a Jack-O-Lantern face and boost her shape recognition skills.

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

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

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

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.