Showing Results for three digit using place value : Page 5

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The goal of this project is to create an exciting topographical map out of dough.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This basketball project explores the best way to make the perfect shot every time.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This science fair project idea explores the egg's thin membrane.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This project examines whether people's taste perception is influenced by what they see.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?