Showing Results for three digit and two step word problems : Page 28

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

This experiment will evaluate if chewing gum affects students' test performance.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Science fair project that determines how we can change potential energy into kinetic energy.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

This experiment explores whether caffeine improves athletic performance.

Determine how good we are at direct and indirect observation.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

This science fair project idea explores whether the color of surroundings affects human mood.

Discover whether people can distinguish what a person looks like just by listening to their voice.

This project examines whether people's taste perception is influenced by what they see.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.