Showing Results for three digit and two step word problems : Page 46

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea determines which flower lasts the longest.

This project examines whether and what associations exist between numbers and letters and colors.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Make a lei and bring a touch of the tropical lifestyle into your home!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.