Showing Results for three digit and two step word problems : Page 38

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Science fair project that cultivates slime mold and monitors the stages of its development.