50 biology projects for science project exhibition

Here are 50 biology project ideas for a science project exhibition:

animal cell model making at home
animal cell model making at home

Cell Biology:

Plant Cell Model: Create a 3D model of a plant cell, highlighting its different organelles.

plant cell model (3d)

Animal Cell Comparison: Compare and contrast plant and animal cells using visual models.

Animal cell vs Plant Cell model

Cell Membrane Permeability: Investigate the permeability of cell membranes using different substances.

Cellular Respiration Model: Build a model demonstrating the process of cellular respiration.

Mitosis and Meiosis Comparison: Illustrate the differences between mitosis and meiosis using diagrams.

Mitosis vs Meiosis Model

Cellular Microscopy: Observe and compare cells under a microscope, focusing on different types.

Cell Division in Onion Root Tips: Study mitosis by examining onion root tip cells under a microscope.

Photosynthesis Experiment: Explore factors affecting photosynthesis using aquatic plants and varying light conditions.

Photosynthesis working model

Cellular Transport Demonstration: Create models or demonstrations of active and passive cellular transport.

Ecology and Environmental Biology:

Microbial Growth in Different Environments: Investigate the growth of microorganisms in varying conditions.

Composting Effects on Soil Quality: Analyze the impact of composting on soil fertility and structure.

Biodiversity Study: Conduct a survey of local plant and animal species to assess biodiversity.

Biodiversity model

Water Quality Testing: Test the water quality of local bodies of water for pollutants and pH levels.

Effect of Pollution on Plant Growth: Examine the impact of pollution on plant health and growth.

Ecosystem Simulation: Create a miniature ecosystem and study the interactions between organisms.

ecosystem model

Invasive Species Impact: Research the effects of invasive species on local ecosystems and species.

Pollinator Importance: Investigate the role of pollinators in plant reproduction and food production.

types of pollination in plants

Habitat Restoration: Propose and implement a habitat restoration project in a local area.

Genetics and Heredity:

Mendelian Genetics Simulation: Create Punnett squares and predict offspring traits based on Mendelian inheritance.

DNA Extraction: Extract DNA from fruits or vegetables to demonstrate the process.

DNA model

Inherited Traits Survey: Conduct a survey to track inherited traits within families or classmates.

Genetic Disorders Research: Investigate the causes, symptoms, and treatments of a specific genetic disorder.

Seed Germination Genetics: Study the inheritance of traits in plants through successive generations.

Human Blood Types: Determine blood types using simulated blood tests and Punnett squares.

Genetic Engineering Ethics: Explore the ethical considerations of genetic engineering and modification.

Gene Expression Model: Create a model demonstrating gene expression and protein synthesis.

Physiology and Anatomy:

Heart Rate Variability: Measure heart rate variability under different conditions or activities.

Lung Capacity Testing: Conduct lung capacity tests to compare respiratory health among individuals.

Digestive System Demonstration: Create a visual model of the digestive system and its processes.

Digestive system working model

Human Skeleton Model: Build a model of the human skeleton to learn bone names and functions.

Human Skeleton Model

Muscle Contraction Simulation: Design a model to demonstrate how muscles contract and relax.

Sense Organs Experiment: Explore the senses by conducting experiments related to taste, touch, sight, hearing, and smell.

Nervous System Function: Investigate the role of the nervous system in transmitting signals and reactions.

Brain Model

Reflex Arc Demonstration: Create a model to showcase the reflex arc and its components.


Bacterial Growth Conditions: Investigate the effects of different conditions on bacterial growth.

Yeast Fermentation: Study yeast fermentation by measuring gas production under various conditions.

Antibiotic Sensitivity Testing: Test the sensitivity of different bacteria to various antibiotics.

Microbial Handprint Study: Examine the microbial diversity on hands before and after washing.

Microscopic Life in Pond Water: Observe and identify microscopic organisms in pond water samples.

Plant Biology:

Plant Growth Factors: Explore the effects of light, water, and nutrients on plant growth.

Tropism Experiments: Investigate different types of tropisms (phototropism, gravitropism) in plants.

Leaf Pigments and Photosynthesis: Analyze leaf pigments using chromatography and study their role in photosynthesis.

Transpiration Rate: Measure the rate of water loss from leaves to understand transpiration.

Plant Reproduction Models: Create models to demonstrate various methods of plant reproduction.

Plant flower reproductive system model

Animal Biology:

Animal Behavior Study: Observe and document the behavior of animals in different environments.

Insect Life Cycle: Study the life cycle of insects, such as butterflies, crickets, or ants.

Silkworm model

Comparative Anatomy: Compare the anatomy of different animals to highlight evolutionary adaptations.

Animal Camouflage: Investigate how animals use camouflage to blend into their surroundings.

Ethology Experiments: Conduct experiments to explore animal behaviors, such as migration or communication.

Animal Adaptations Project: Research and showcase adaptations that help animals survive in their habitats.

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