2nd - 5th Grade Physical Science Activities : Page 4

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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!

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

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 this chemistry experiment with your curious kid and get some "shocking" results!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

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 Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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.

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

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!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.