2nd - 4th Grade Science Activities : Page 23

This science fair project idea investigates how the shape of an object affects drag.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

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

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

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.