Showing Results for three digit and two step word problems : Page 28

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science fair project idea discovers the principle of conservation of mass.

Test whether spot magnets can help improve the symptoms of an injury.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This project explores ways to prevent static electrical shocks.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Science fair project that creates fog using bottles of hot and cold water.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Evaluate if people are more influenced by video or audio advertising.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea investigates the hardness property of minerals.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.