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

Caring for ourselves and others can build connections and a greater sense of love. In this activity, your child will discuss what it means to be caring and will demonstrate care through drawing and by performing two caring and kind deeds.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

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

This three-part debate book is designed to hold two conflicting points of view on an issue that concerns you, along with possible solutions.

When it comes to working kids' muscles, nothing beats an obstacle course! Here are some easy ideas for creating your own course at home.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this simple math activity, your young learner will compare two types of Valentine's Day candy using a Venn diagram.

These easy-to-make felt friends are created by sewing two pieces of felt together with yarn and make great gifts for holidays such as Easter.

All your preschooler needs to create a personalized Halloween memento is their two hands and some black paint.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Let your kid try his hand at engineering as he builds and tests two different structures made out of rolled newspaper. Which one is the strongest?

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.

In this activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Introduce your fifth grader to the Kinara, part of the Kwanzaa tradition, by playing this fast-paced, two player game!

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

This recycled craft makes a great addition to the dress-up box and is a two-in-one activity and party favor for princess-themed birthday parties.

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.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.