Showing Results for three digit using place value : Page 3

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?

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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