Showing Results for one digit and two step word problems : Page 4

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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 that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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.

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project investigates why the number of visible stars changes from place to place.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

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

Help your child learn about animal classification with this fun and delicious activity.

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.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea experiments with spinning color wheels and optical illusions.