Showing Results for three digit and two step word problems

This project compares the strength of one, two, and three-ply toilet paper.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates how the shape of an object affects drag.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates whether plants can survive being frozen.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

Find out whether putting something on top of a plant will inhibit its growth.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.