Showing Results for three digit and two step word problems : Page 39

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea determines which method of hand cleansing is the most effective.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Cleaning can be a chore, but not with this sudsy experiment!

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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.

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.

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.