4th Grade Physical Science Activities : Page 2

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Making your own glass cleaner is easy, effective and inexpensive!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project idea produces varying pitches of sound.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

An home science experiment for older students that teaches about the science behind heat.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.