Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Bring a swell of high sea adventure to your own living room with this quick and easy paper sailboat craft!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this high energy, interactive game, third graders are challenged to race, involving spelling patterns in words.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Help your child rocket off for some high-flying fun with a jet pack you make from recycled materials and a few odds and ends.

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Help your high school revive some Renaissance history with art by making a silverpoint sketch. In this activity, make your own stylus and special paper.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Kids get to play mad scientist in this wacky drawing game that's a great way to help kids to mellow out after the high-energy antics of recess.

Those second grade spelling lists may be getting serious, but that's no reason to stop having fun. Here's a high-energy hopscotch game to try.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

This variation of Duck, Duck, Goose is played in pairs, which means a lot more activity for participants!

This project compares the strength of one, two, and three-ply toilet paper.

Young artists will combine two animals into one in this imaginative art-project-slash-game!

Here are two streamlined breakfast ideas so that mom not only gets a delicious breakfast for Mother's Day, but a clean kitchen too!

Coil your daughter's two favorite colors into a wearable pendant with just a few scraps of felt!

Transform a single sheet of card stock into a double-sided painting of opposites: on one side, a bright daytime landscape, on the other, a dusky evening scene.

Help your first grade child figure out contractions and their original two words by playing this simple game, Contraction Concentration!

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, young children discover what happens when two fluids that have different densities get together.

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

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!

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