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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This project examines whether sugar substitutes are as sweet as real sugar.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

Explore the electrical energy present in energy drinks.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

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

This experiment investigates if small changes in your diet can alter your basal body temperature.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.