100 Project Ideas

Agriculture

What effect does the pH of soil have on plant growth?
What effect does soil pH have on the color of flowers?
What effect does seed size have on the number of seeds that germinate?
How does the surface area of soil affect evaporation rate?
What effect does wind speed have on the evaporation rate of water from soil?

Astronomy

How does the position of the Sun in the sky during the day affect the length of Sun shadows?
How does the position of the Sun in the sky during the day affect the direction of Sun shadows?
How does the amount of light pollution affect the visibility of stars?
How does Earth's rotation affect the position of stars in a constellation in relation to one another?
What effect does the color of a material have on it absorption of solar energy?

Biology

What effect does gender have on the rate of eye blinking?
What effect does age have on the rate of eye blinking?
What effect does air temperature have on ant activity near an anthill entrance?
How does the age of a plant leaf affect the leaf's size?
How does the type of plant (monocot or dicot) affect the pattern of leaf veins?
What effect does the location of water have on the direction of plant root growth?
What effect does the amount of sunlight have on the rate of chlorosis in grass?
What effect does water pH have on the growth of the water plant elodea?
What effect does the amount of sunlight have on the growth of elodea?
How does temperature affect the blooming of a flower?
How does the amount of light affect the blooming of a flower?
What effect does wind have on the rate of transpiration?
What effect does cigarette tobacco in soil have on plant growth?
Which paper found around the house has the fastest rate of biodegradability?
What effect does the color of paper have on its rate of biodegradability?
How does temperature affect the rate at which fruit ripens?
How does light affect the rate at which fruit ripens?
How does ethylene gas affect the rate at which fruit ripens?
What relationship is there between hair color and eye color?
What relationship is there between hair color and skin freckles?
How similar are the fingerprints of siblings?
What effect does the period of time an eye is closed have on its pupil size?
How does temperature affect the rate of insect metamorphosis?
What effect does gender have on the sense of smell?
What effect does age have on the sense of smell?
What effect does age have on the sense of touch?
What effect does gender have on the sense of touch?

Chemistry

What effect does the type of solute have on the rate of crystallization?
What effect does the temperature of a solution have on the rate of crystallization?
During crystallization, what effect does the rate of evaporation have on the size of crystals formed?
How does the pH of water affect the rate of the rusting of iron?
What effect does exercise have on the production of carbon dioxide in humans?
What is the effect of salt on the freezing point of water?
What effect does the type of solute have on degree of solubility?

Earth Science

What effect does the amount of ground cover have on soil concentration in runoff?
What effect does the type of ground cover have on soil concentration in runoff?
What effect does plant density have on soil erosion?
What effect do the type of plant roots have on soil erosion?
How does the mixture of mineral solutions affect crystal growth?
How does soil color affect the cooling of land?
What effect does the Sun's sky position have on air temperature?
How does the difference between land and water temperature affect the direction of wind?
How does the depth of water affect the altitude of water waves?
How does wind direction affect direction of surface currents?
What effect does the concentration of dust particles have on sky color?
What effect does dust particle size have on sky color?
How does air pressure affect the type of clouds formed?
How does air temperature affect the type of clouds formed?
What effect does wind speed have on the type of clouds formed?

Engineering

What effect does the shape of an object have on its strength?
Which brand of antacid tablet is the best at neutralizing stomach acid?
Which brand of hair spray holds hair in place the longest time?
Which brand of toilet paper decomposes the fastest in water?
Which brand of detergent has the most effect on stain removal from clothes?
Which type of cloth is the most resistant to food stain?
Which brand of shampoo produces the most lather?
What effect does borax concentration have on softening water?
Which brand of washable colored markers does water most effectively remove from skin?

Mathematics

How does age affect the mean height of a group?
How does gender affect the mean height of a group?
How does the height of a rain gauge affect the distance between scale measurements?
How does the diameter of a rain gauge affect the distance between scale measurements?

Physics

How does the length of the string of a stringed instrument affect pitch?
How does the thickness of the string of a stringed instrument affect pitch?
How does the volume of water in a glass bottle affect the pitch of the sound produced when the bottle is struck?
How does the volume of water in a glass bottle affect the pitch of the sound produced when air is blown across the mouth of the bottle?
How do the number of coils in a solenoid affect the strength of an electromagnet?
What effect does the intermittent use of a dry-cell battery have on its life?
What effect does the type of material charged have on the time it holds a static charge?
What effect does humidity have on the strength of a static charge?
What effect does temperature have on the strength of a static charge?
Which brand of battery lasts the longest?
What effect does the wattage of a lightbulb have on the amount of light it emits?
What effect does the number of strokes of a magnet on a nail have on the degree the nail is magnetized?
How does the position of the fulcrum in a first-class lever affect the weight it can lift?
How does the position of the fulcrum in a first-class lever affect the force needed to lift an object?
What effect does temperature have on the elasticity of a rubber ball?
What effect does the amount of a lubricant have on friction between a marble rolling down a wooden incline?
What effect does the temperature of a lubricant have on friction between a marble rolling down an incline?
What effect does the diameter of a string have on its strength?
What effect does the number of fibers in a string have on its strength?
What effect does the thickness of plastic have on the weight it will hold?
How does wing shape affect flight distance of a glider?
What effect does the viscosity of a fluid material have on the buoyancy of an object in it?
What effect does the density of an object have on its buoyancy in water?
In what type of light is fluorescent ink most effective?
What effect does the size of a prism have on the spectrum produced?
What effect does the type of metal have on conducting heat?
What effect does paint color have on its colorfastness when exposed to solar energy?
What effect does the mass of an object have on momentum?

« prev page
1
2
3
4
5
next page »

View Full Article

Agriculture

Astronomy

Biology

Chemistry

Earth Science

Engineering

Mathematics

Physics

Add your own comment

Ask a Question

Related Questions

Q:

Q:

Today on Education.com

SEASONAL

WORKBOOKS

ACTIVITIES

Special Editions

Browse by Topic

Browse by Grade

Washington Virtual Academies

Popular Articles

Kids' Activities

Worksheets

Education Articles

School Finder

100 Project Ideas

Agriculture

Astronomy

Biology

Chemistry

Earth Science

Engineering

Mathematics

Physics

Excerpted From:

Add your own comment

Ask a Question

Related Questions

Q:

Q:

Related Articles

Related Topics

Today on Education.com

SEASONAL

WORKBOOKS

ACTIVITIES

Special Editions

Browse by Topic

Browse by Grade

Washington Virtual Academies

Popular Articles

Activity of the Week Newsletter

Featured Topic

Kids' Activities

Worksheets

Education Articles

School Finder