Showing Results for high frequency …

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

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

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.

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 science fair project idea produces varying pitches of sound.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Find out which kind of bubble wrap fares best when put in impact.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This arts and crafts project isn't just full of creativity, it's got a lot to teach kids about world cultures as well.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This twist on classic mashed potatoes includes parsnips, a root vegetable with a sweet flavor your kids will love.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Are you looking to entertain your child and a large group of their friends? Try out Chain Tag. The more players you have, the more fun the game becomes!

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

Create a beautiful pop-up paper lantern and will serve as the perfect decoration at your next party.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.