3rd - 5th Grade Science Activities : Page 2

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

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!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Learn all about balance and motion as your child designs a corn maze!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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

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

Create a self-portrait from natural materials in this collage craft activity!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project idea explores whether talking to a plant will help it grow.