Showing Results for physics : Page 5

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.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

Learn with makes water molecules work with this fun and easy science activity!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This project explores ways to prevent static electrical shocks.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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