Showing Results for high frequency 4

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.

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!

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.

The purpose of this science fair project is to build a basic radio.

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Give your budding young observers a chance to discover simple machines at use in their own home.

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea explores whether talking to a plant will help it grow.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!