3rd - 5th Grade Science Activities : Page 4

In this design challenge, your child will create a parachute for a small toy using typical household items.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

Find out which type of sponge holds the most water.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea identifies trees using a dichotomous key.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores the different properties of matter.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

The purpose of this science fair project is to build a basic radio.

This science fair project idea determines if the color of light affects the growth of plants.