Showing Results for regular and irregular plural forms : Page 4

This project examines which style of central-air system filter traps the most particles from the air.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Science fair project that explores the natural process of limestone formation.

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

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Determine how we can separate the components of a solution

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Free science fair project idea examining how different types of water affect plant germination and growth.

Examine the effect of pressure on carbonation in soda.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.