Science Activities : Page 12

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Trick your eye with this easy-to-make animation flip book! It's a fun way to learn about persistence of vision and is creative enough to entertain anyone.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

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!

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores substances that cause a bubble to last longer.

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

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.