3rd - 5th Grade Science Activities : Page 12

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea provides evidence that air is everywhere and takes up space.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.