Showing Results for compare with same denominators 2 : Page 25

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This project is about after-images and what possibly affects them.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

This science fair project idea examines whether people can decode scrambled messages.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea will be examining oxidation and acid rain

In this experiment we will be determining whether birds prefer certain colors of seed.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea discovers the effect of (high) heat on animal cells.

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.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.