Showing Results for high frequency 4

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.

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

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

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

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.

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

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.

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

An home science experiment for older students that teaches about the science behind heat.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.