Physical Science Activities : Page 2

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

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

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

I scream, you scream, we all scream for homemade spearmint ice cream!

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

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

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.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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.

This science fair project idea produces varying pitches of sound.

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

The purpose of this science fair project is to build a basic radio.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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 simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

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.