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!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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.