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Science Projects & Experiments

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We have a collection of science projects, videos and experiments for various grades and topics.
  • Fun Science Projects & Experiments for Kids (Grades 1 to 3)
  • Junior Certificate Science Experiments for Biology, Chemistry and Physics
  • Tests for Biochemicals and Gases
  • AP Biology Labs
  • High School Chemistry and Physics Experiments
  • Science Topics, Projects and Experiments (Grades 3 to 6)
  • Biology and Physics for Key Stage 3
  • Concepts of Physics (6 to 12 years old)


Fun Science Projects & Experiments for Kids (Grades 1 to 3)

Naked Egg Experiment Baking Soda Volcano
Mentos and Cola Experiment Cornstarch and Water Experiment
Floating Needle (Surface Tension) Cloud in a Bottle
Tornado in a Bottle Baking Soda & Vinegar Experiment

Junior Certificate Science Experiments for Biology

Test food for Starch
Test a food for sugar
Test a food for fat
Test a food for protein
Convert Chemical energy in food into heat energy
The action of enzyme amylase
CO2 levels in inhaled and exhaled air

To show that starch is produced in plants
Conditions Necessary for germination
Phototropism: To Show the Growth Response of a Plant to Light

Junior Certificate Science Experiments for Chemistry

Experiments for Chemistry Filtration, Evaporation, Distillation, Chromatography, Investigate conditions for rusting, pH of a variety of materials, Prepare a sample of sodium chloride, React zinc and hydrochloric acid, Show that 20% of air is oxygen, Show there is carbon dioxide in air, Show there is water vapor in air, Prepare and test oxygen gas, Properties of Carbon Dioxide Gas, Carbon Dioxide does not support combustion and is more dense than air, Limewater test for Carbon Dioxide, Presence of dissolved solids in water sample

Junior Certificate Science Experiments for Physics

Experiments for Physics Density of Rectangular Block, Density of Irregular solid, Density of a liquid, Extension in a spring and the applied force, Electrical to magnetic to Kinetic energy, Light to electrical to kinetic energy, Chemical to electrical to heat energy, Expansion and Contraction of Solids when heated and cooled, Expansion and contraction of Liquids when heated and cooled, Expansion and contraction of gases when heated and cooled, Heat transfer by conduction, Heat transfer by convection, Heat transfer by radiation, Heat transfer in water by conduction, Light travels in straight lines, Reflection of light by plane mirrors, Magnetic field of a bar magnet, Electrical conduction in a variety if substances

High School Chemistry and Physics Experiments

This is a series of chemistry and physics experiments presented by Dr Matt Carlson, a high school science teacher.

Mixing Light Photons of Light Air Pressure Temperature Freezing by Boiling Free Fall Packing Peanuts Newton's Third Law
Concentration and Reaction Rates Density Fun with a Vacuum Circular Motion Bernoulli Effect Thermal Conduction Pendulums Motion in Two Dimensions Shoot the Monkey
Eddy Currents Angular Momentum Waves The Doppler Effect Mirror and Images States of Matter Liquid Air Fluorescence
Making Clouds Quantum Mechanics A Particle Experiment Heisenberg Uncertainty Principle Entropy Rolling Uphill Straight Line

Science Topics, Projects & Experiments for Grades 3 & 4

Life Cycle of Plants and Seed Germination Parts of a Flower and Flower Dissection
Water transport in plants (Celery and Coloring)  
Food Chains
Food Chains and Food Webs Ecosystems and Energy Pyramids
Honeybees - Life Cycle and Waggle Dance  
Simple Machines
Simple Machines (Lever, Wheel, Inclined Plane, Pulley, Screw, Wedge)
Static Electricity Lemon Battery, Potato Battery, Vinegar Battery
Magnetism, Make a Magnet, Make a Compass Make an Electromagnet
Electromagnetic Induction  

Changes in Water and Matter
Why does ice float? Solutions and Suspensions (Water, Salt, Sugar & Oil)
Saturated Solution (Making Salt Crystals) States of Matter Solids, Liquids and Gases
Air Pressure
Air takes up Space Air has Pressure
Water Cycle What is a Cloud?
Hurricanes & Tornadoes What causes Lightning?
Snow and Hail Weathering, Erosion & Deposition
Predicting Weather
Climate, Weather & Weather Balloons Barometers
Measuring Rainfall & Humidity  
Our Solar System
Planets in our Solar System The Phases of the Moon
The Stars and Space
Ursa Major (The Big Dipper), North Star and Ursa Minor Comets and Meteors
The Earth
Layers of the Atmosphere Earth's Crust & Structure
Volcanoes and Earthquakes Earth's Rotation, Revolution & Seasons

Science Topics, Projects & Experiments for Grades 4 & 5

Cells Nucleus, Cytoplasm, Membrane Cells Genes, DNA, Chromosomes, Mitosis
Preparing Animal and Plant Cell Slides Genetics 101What are genes? What are SNPs? Where do your genes come from? What is a Phenotype?
Blood Cells
Blood Cells Function and Composition Blood Cells under a Microscope
Cell Reproduction Mitosis - Cell Reproduction

Classifying Living Things and Plants

Five Kingdoms of Life Gymnosperms and Angiosperms
Flowering Plants
Parts of a Flower and Flower Dissection Reproduction in Plants and Pollination
Dispersal of Seeds Vegetative Reproduction
Cone-Bearing Plants Life Cycle of Cone Bearing Plants
Spore-Bearing Plants and Fungi
Ferns Fungi
Mold Growth Cycle & Bread Mold Experiment  
One-Celled Living Things Algae
Budding in Yeast

Animals: Vertebrates and Invertebrates

Vertebrates and Invertebrates More on Invertebrates
Life Cycles of Invertebrates
Complete Metamorphosis Life cycle of a Monarch Butterfly
Life Cycle of a Housefly and a Mosquito Metamorphosis of a Mealworm
Incomplete Metamorphosis Life Cycle of a Dragonfly
Life Cycle of a Spider  
One-Celled Animal-Like Protists
Budding in Hydra One-celled Protists - Protozoans
Parameciums Amoeba
Egg-Laying Vertebrates
Life Cycle of a Salmon Life Cycle of a Frog
Life Cycle of a Turtle  
Balance of Nature
Water Cycle Carbon Cycle and Global Warming
Food Chains
Food Webs
Energy transfer in chains and webs
Energy from food used for respiration
Energy Pyramids
Energy and Work
What is Energy? Kinetic and Potential Energy
What is Work?  
Energy Sources
Fossil Fuels Natural Gas and Crude Oil Solar Energy
Geothermal Energy BioMass Energy
Nuclear Energy Fission and Fusion  

Fossils Types of Fossils
Geology: Changes in the Earth
Earth's Crust & Structure The Rock Cycle
Weathering, Erosion & Deposition Volcanoes and Earthquakes
Volcano Vesuvius (Pompeii) and Undersea Volcanoes Mountains Folding and Faulting San Andreas Fault and Other Fault Lines in America
Physical and Chemical Change Conservation of Matter or Mass
Particles of Matter and Motion of Particles  
Space Halley's Comet

Science Topics, Projects & Experiments for Grades 5 & 6

Photosynthesis System

Photosynthesis Photosynthesis Experiments

Transport System in Plants

Water transport in plants (Celery and Coloring) Transpiration in Plants and Transpiration Experiment
Xylem and Phloem  

Human Digestive System

Digestive System Teeth - Types and Anatomy
Amylase Experiments Saliva and Cracker Rennin and Milk
Diffusion through a Membrane Experiment  

The Circulatory System

Blood Circulation Blood Cells Function and Composition
Blood Cells under a Microscope Blood Types - ABO

Heart Diseases

Heart Attack and other Heart Diseases High Blood Pressure or Hypertension

Blood Disorder

Anemia and Sickle Cell Leukemia

The Respiratory System

Lungs, Breathing and the Respiratory System Limewater Test To check for carbon dioxide in your breath

Lung Diseases

Lung Cancer, Black Lung Disease, Pulmonary Fibrosis Tuberculosis, Emphysema (COPD)

Skin and Kidneys

Anatomy and Structure of the Human Skin Kidney and the Urinary System

Skeletal and Muscular System

Skeletal System Muscular System

Nervous System

Nervous System and the Brain Nerves and Neurons
Reflex Arc Conditioned Response Pavlov's Dogs

Plant Behavior

Phototropism and Geotropism Plant Hormones auxin, gibberellins and ethylene
Mimosa, Venus Flytrap, BladderWorts  
Ecosystems, Ecology, Water Cycle Communities, Ecology and Trophic Levels
Competition, Predation and Symbiosis Populations Distribution and Human Pollution

Examples of Symbiotic Relationships

Commensalism - One organism is helped and the other is not affected.
Mutualism Both organisms are helped by the relationship Parasitism One organism lives off another organism


Terrestrial Biomes
Taiga and Tundra Biomes
Desert Biomes
Forest Biomes Tropical Rainforest Biomes
Deciduous Forests Biomes
Coniferous Forest Biomes
Savanna Biomes Grasslands and Prairies Chaparral Ecosystem and Biomes Aquatic Biomes Freshwater Biomes
Intertidal Biomes
Coral Reef Biomes  

Biology for Key Stage 3

Food Chains Food Webs
Energy transfer in chains and webs
Energy from food used for respiration
Energy Pyramids
Muscles Sensitivity
Muscles and Movement
Muscle Response
Plants and Light Plants and Responses
Growing Plants and Fair Test
Growing Water Cress (fair test)
Warming Up (fair test)
Red Squirrel Population
Microbes Microbes and washing hands
Size of Microbes
Growth rate of microbes
Prevention of infection during operations
Microbes sterilization - Control of infection in operating theatre
Microbes and spots on your face
Plant Growth Plant growth rates
Plant growth and photosynthesis
Plant growth results
Conditions For Growth in Plants
Plant nutrients and CO2 Effect of CO2 concentration on plant biomass
Oxygen production by photosynthesis
Plant stress
Human Nutrition Human Digestion Saliva and gastric juices
Digestion after the stomach
Digestion - breaking down complex molecules
Feeding Habits
Energy used by knotweed
Energy in food
Respiration Respiration Products
Respiration equation
Respiration and lack of oxygen
Respiration in Cells
Respiration - Efficiency of horses
Onion cells and Cheek cells Cells - Model of animal cell
Cells - Plant cell structure
Function of the Cell membrane
Cells and growth Cells and Reproduction
Cell growth rate
Cells - Yeast growth and the nucleus
Growing skin cells
Reproduction Reproduction - fertilization
Reproduction in plants
Self and cross pollination
Reproduction - pollination of apple trees
Reproduction - pollen tubes in plants
Seeds Dispersal - Wind, Water, Animals, Self Asexual Reproduction

Physics for Key Stage 3

Static charge transfer Static electricity - Helicopter
Static Clothes
Static and Current Conservation of Current
Increasing the Potential Difference
Electrical Resistance
Resistivity of ground
Magnetism Magnetism - Lodestone
Magnetism - shipbuilding
Magnetism - laws
Magnetism - fields
Magnetism Magnetism - electromagnet
Magnetism - compass correction
Magnetism - magnetic strength
Magnetism - induction
PressurePressure equation
Pressure over small area
Pressure - spreading weight
Pressure - ballerina vs tank
Forces Forces - balanced, stationary
Forces - addition and pressure
Forces - upthrust
Forces - salt water
Forces - helium upthrust
ForcesForces in a lift
Forces in a falling lift
Forces - Mass and weight
Forces causing movement
ForcesForces - Reducing Friction
Forces - Friction on ice
Forces - Friction in fluids
Forces - Air resistance on a bike
ForcesForces - Speed distance time
Forces - Speeding cars
Forces - Speed skating
Forces - distance time graphs
Forces - Acceleration
SoundSound - Resonance of glass
Sound production
Sound - Loudness
Sound - Frequency of sound
Sound - Resonance
SoundFrequency Amplitude
Sound - Transmission of sound
Sound - String telephone
Sound in water
Sound - echo location

Concepts of Physics (suitable for 6- to 12-year olds)

Unit 1: Force and Energy

Inertia Mass
Speed Acceleration I
Acceleration II Gravity
Weight vs Mass Work
Kinetic Energy Potential Energy

Unit 2: Simple Machines

The Inclined Plane The Lever
Mechanical Advantage and Friction The Screw and the Wheel
The Pulley  

Unit 3: Heat and Temperature

Molecules in Solids Molecules in Liquids
Evaporation and Condensation Expansion and Contraction
Measuring Temperature Temperature vs Heat

Unit 4: The Conduction of Heat

Atoms Electrons

Unit 5: The Convection of Heat

Volume and Density Buoyancy

Unit 6: The Radiation of Heat

Heat as Energy Radiation Waves
The Radiation Spectrum  

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