Photosynthesis
Science Fair Projects
Ideas and Sample Projects by Grade Level


Home Experiments Photosynthesis Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Discovering photosynthesis: which colour of light is best for growing plants - green, red or white. [P]
Must plants have energy from the sun to live? [E]
How much sun does a seed need to sprout? [E]
What need plants in order to grow? [P]
What side of a plant leaf takes in carbon dioxide? (what is stomata?) [P]
How do plants make food (photosynthesis basics)? [E] [E] [E]
What is Transpiration? [E] [E]
Photosynthesis Background Resources [R] [R] [R] [R] [R] [R] [R] [R] [R]
What is Photosynthesis?
Effects of Ultraviolet Light on Plant Growth and Development
Elementary School - Grades 4-6
P=Project   E=Experiment
Test if the color or wavelength of light will affect the chlorophyll content of a leaf. [E]
How do plants make food (photosynthesis basics)? [E] [E] [E]
How does light intensity and duration affect plant growth? [E] [E] [E] [P] [P] [P] [P]
Effects of different colors of light on plant growth. [E] [E] [E] [P] [P] [P] [P] [P]
Effect of different colors of light on the rate of photosynthesis [P]
The effect of different lights on plant growth: incandescent light, fluorescent light, sunlight and black light. [P]
Testing whether it is the best to grow plants with natural sunlight, or with artificial light during the winter. [E]
The effect of light on seed germination [P]
What is Transpiration? [E]
Why do leaves change color in the fall? [E] [E]
How will the size of a closed jar affect the burning time of a candle? [E]
Can we grow plants on the moon? [E] [E]
Photosynthesis Background Resources [R] [R] [R] [R] [R] [R] [R] [R] [R]
What is Photosynthesis?
Effects of Ultraviolet Light on Plant Growth and Development
Middle School - Grades 7-9
P=Project   E=Experiment
How Will Chlorophyll a Concentrations React to Different Wavelengths of Light? [E]
How does the type of light affect the number of leaf stomata? [E]
The effects of an area in which a cactus grows on the amount of carbohydrates in the cactus. [E]
Find out whether when plants are given fixed carbon (sugar) they will use that for growth rather than photosynthesizing their own sugar. [E]
Which evergreen street tree had the highest carbon and ozone uptake (calculated over a year) for the following three species: California palm, Mugo pine, and Coastal live oak? [E]
Prove that increased leaf starch increases the process of photosynthesis in the green plant [E]
Do Photosynthesis and Growth Rate Affect Stomatal Density? [E]
How does light intensity and duration affect the rate of photosynthesis? [E] [E] [E]
Effect of different colors of light on the rate of photosynthesis. [E] [P]
Investigate the effect of light on seed germination. [E] [E] [E]
Test if Japanese millet can reduce carbon dioxide in the atmosphere, and therefore mitigate the effects of global warming. [E]
The Effect of the Type of Soil on the Amount of Chlorophyll in Bean Plants [E] [E]
The Effects of Wavelengths of Light on Plant Food Production [E]

Effect of different colors of light on the growth of plants [P] [P] [P] [P]
Do plants need sunlight to be green? [E]
The effects of various pH levels on the photosynthesis process of the aquatic plant elodea [P]
The effects of phosphorous on the photosynthesis of aquatic plants [P]
Does light affect stem growth? [P]
Do plants grow better with sunlight or artificial light? [E] [E] [E] [P] [P]
Compare the affects of types of artificial light on plant growth. [E] [E]
Why do leaves change color in the fall? [E] [E] [E] [E] [E] [E] [E] [E] [E] [E] [E]
The relationship between photosynthesis and respiration. [E]
Follow in the steps of van Helmont, John Woodward, Joseph Priestley and Jan Ingenhousz and discover photosynthesis [E]
Is plant growth affected by exposure to ultraviolet light? [P]
Can plants use sunlight to make oxygen? [E] [E] [P]
The effects of three common weather conditions on a plant's rate of transpiration
[E] [E]
The effect of the number of stomata on a leaf's surface on the volume of water transpiration [E] [E]
Does Greater Leaf Diameter Increase Transpiration Rate of plants? [E] [E]
The Effects of pH Levels and Phosphorous on the Photosynthesis Process of Aquatic Plants [P] [P]
Study the coniferous spruce tree (Picea glauca as the species of choice) by measuring its lateral and sub-lateral branch angles in order to see how it collects sunlight from various angles on its south-facing side. [P]
Photosynthesis Background Resources [R] [R] [R] [R] [R] [R] [R] [R] [R]
What is Photosynthesis?
Effects of Ultraviolet Light on Plant Growth and Development
High School - Grades 10-12
P=Project   E=Experiment
The photosynthetic CO(2) uptake of a deciduous and evergreen coastal sage species to determine which plants are more favorable to the increasing carbon dioxide of our environment. [E]
Applying ultra-violet visible spectrophotometry and various types of chromatography to compare the amounts of certain photosynthetic pigments in fresh, frozen, and canned phaseolus vulgaris and spinacia olercea. [E]
Prove that Crassulacean acid metabolism plants give off more humidity at night then at day. [E]
The Effects of Elevated Carbon Dioxide Levels on the Transpiratoin Rates of Zonal Geranium Plants [E]
How Does the Introduction of NaF Affect the Rate of Photosynthesis in Isolated Chloroplasts? [E] [E]
Investigate E. coli Promotion of Photosynthesis in Chloroplast [E] [E]
The effects of the intensity of light on the rate of photosynthesis in plants. [E]
Effects of different colors of light on the photosynthesis rate. [E]
Why Do the Colors of Leaves Change in the Fall? [E]
Can photosynthesis occur at Saturn or Mars? [E] [E]
Determine whether the growth rate of the plants will be affected negatively by an increase in transpiration rate due to high winds. [E] [E]
Why do leaves change color in the fall? [E] [E] [E] [E] [E] [E] [E] [E] [E] [E] [E]
The Effects of Different Colored Lights on Algal Oxygen Production [E]
Photosynthesis Background Resources [R] [R] [R] [R] [R] [R] [R] [R] [R]
What is Photosynthesis?
Effects of Ultraviolet Light on Plant Growth and Development
Useful Links
R=Resource
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Botany Science Fair Books

                   


Botany Topics Related Subjects
Photosynthesis
Seeds & Germination
Soils & Hydroponics
Soil Organisms
Tropism
Colors in Botany
Weather in Botany
Plant Irrigation
Plant Nutrition
Plant Hormones
Plant Pesticides
UV Radiation Effects
Organic Agriculture
Genetically Modified Food
Plant Pollutants
Plant Cultivation
Plant Physiology
Plant Genetics
Fungi
Algae
Plant Disease
Medicinal Plants
Acids in Botany
Salt & Sugar in Botany
Plants
Flowers
Water
Weather
Air
Colors
Gases
Fire
Oxygen
Sun & Light
Biotechnology
Biology
Environmental Sciences
Ecology
Biochemistry


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