Physical Science Activities : Page 3

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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

Introduce your child to science with something they see everyday--their shadow!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This science fair project idea produces sounds by creating vibrations using different objects.

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

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

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

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