3rd and 4th Grade Science Activities : Page 10

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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 explores the different properties of matter.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this project children practice the scientific method while playing with puffy paint.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Test whether plants can grow without sunlight and water.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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.

Examine the effect of pressure on carbonation in soda.