2nd - 5th Grade Science Activities : Page 20

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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.