2nd - 7th Grade Science Activities : Page 21

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea investigates the difference in reaction times between boys and girls.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea produces sounds by creating vibrations using different objects.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science project allows students to study the psychology of happiness.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.