Preschool - 4th Grade Science Activities : Page 17

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

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!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Create a bee garden to help shelter bees in your area.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea examines whether boys and girls differ in reflexes.