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Physical Science Activities : Page 2

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?

A Thunderous Sound

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

States of Matter in a Baggie

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Bungee Jump ... With Eggs!

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

Mirrors and Reflection of Light

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Taste Test Science: Fool Your Tongue!

This classic children&#39;s game-connecting two cups with a string-demonstrates sound&#39;s ability to travel through air vs through a solid.

The Speed of Sound on a String

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Series and Parallel Circuits

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.

The Science of Sound

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Make Your Own Fairy Potion

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.

How A Kazoo Makes Sounds

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Create a Sandwich Bag Explosion!

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

Celery and Food Coloring Experiment

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

Make a Fistful of Slime!

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

Molecule Madness: A Water Experiment

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Make Your Own Marshmallows

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Potato Battery

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How Well Does Sound Travel Through a Gas? A Liquid? A Solid?

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Slinky Physics

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Sound Resonance: How to Calculate Speed of Sound

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Break the Tension: A Water Experiment

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

Volcano Project

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How Strong are a Bird's Bones?

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

Make a Molecule

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

Testing pH Levels in Everyday Foods and Household Products

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Forms of Energy for Kids

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

Firework Science

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Layering Liquids: Explore Density Science

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

Radio Waves, It's In The Air: Build A Basic Radio

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

How to Make a Water Wheel

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Foam It! Cause a Chemical Reaction

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