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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Staying close to home doesn't mean you can't get moving! Use this fun challenge activity to encourage your child to move their body in new ways while testing their endurance!

This quick and easy pasta dish is loaded with sweet grape tomatoes and vitamin-packed red pepper pesto.

Be an inspector detective for a day in this fun mystery game that puts your child's powers of observation to the test. Perfect for a party or group gathering.

In this science fair project, students create their own miniature salt flats at home.

Introduce your budding chef to a traditional Irish dish this St. Patrick's Day by making Irish lamb stew, a fantastic one-pot meal the whole family can enjoy.

Will the shape of an ice cube impact how fast the ice melts?

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Discover how and which salt melts ice the quickest.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This blanched broccoli salad is dressed up with kid-friendly ingredients like dried cherries and crowd-pleasing bacon.

Similar to fried rice, this quick fix scramble uses leftover quinoa and vegetables.

An easy afternoon craft, this reusable heating compress is just the thing for warming cold limbs on chilly winter days.

Get your kids involved in the kitchen by making crepes with your choice of toppings in this fun fourth grade cooking activity.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This game will help your child write with more attention to detail.

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Create your own version of an Aboriginal Australian dot painting in this fun activity!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Want to play publisher for a day? Become a book jacket illustrator for this creative and fun project.