Showing Results for three digit and two step word problems : Page 27

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea studies past and current fads and trends.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project idea studies how talking on a cell phone affect driving?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.