Showing Results for three digit and two step word problems : Page 29

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

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

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.