see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

Put your kid to the test and have him compare and contrast elements in a narrative text by identifying how characters and situations are alike and different.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

This project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

This flash card game will help your child memorize words while visually learning the differences between objects.

In this activity, your child will learn and practice mindfulness by using their senses to focus on one thing at a time.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

In Colonial times, fixing a chair was a lot easier than making one! Any fifth-grader can wrap up a mirror or photo frame the same way Colonists caned chairs.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Compare different remedies for cooling the mouth after eating spicy food.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Science fair project that determines whether mass and weight are the same or different.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Compare the ignition rates of various types of flame-retardant materials.

Compare and order numbers and introduce mathematical inequalities in this fun math card game.

Work on homophones, words that sound the same, and spelling with this imaginative activity!