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Filtered results from 1564
Filtered results from 1564
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Aquatic respiration
Aquatic respiration
Science project
Aquatic respiration
How fish breathe? How do gills work? In this science project, learn about aquatic respiration and find out how fast fish breathe at different temperatures.
4年级
Science project
How to measure the viscosity of a liquid
How to measure the viscosity of a liquid
Science project
How to measure the viscosity of a liquid
In this great science fair project, kids will learn how to measure the viscosity of liquids by making their own viscometers.
The fifth grade
Science project
Bottom propagation model
Bottom propagation model
Science project
Bottom propagation model
In this experiment, you will make a model of the seafloor spread to learn more about how plate tectonics works and creates mid-ocean ridges.
4年级
Science project
What is the terrain??
What is the terrain??
Science project
What is the terrain??
What is the terrain?? Children find answers in this awesome science fair project idea by learning to make and read topographic maps.
The third grade
Science project
Drum size and pitch
Science project
Drum size and pitch
How does the size of the vibrating surface affect the pitch of the drum? Learn about drum size and pitch with ideas for this simple science fair project.
In the second grade
Science project
Part of a bean
Part of a bean
Science project
Part of a bean
Check out this fun and easy science fair project for ideas on germinating seeds, and learn to identify the outer and inner parts of legume seeds.
The fifth grade
Science project
Factors affecting seed germination
Factors affecting seed germination
Science project
Factors affecting seed germination
The science fair project appears to be one of the most important factors affecting seed germination: water. A fun and simple plant biology experiment for third graders.
The third grade
Science project
Positive and negative geotropy
Positive and negative geotropy
Science project
Positive and negative geotropy
Check out this fun and easy 4th grade science fair project idea to test how gravity induces positive and negative gravitropism (gravitropism) in legumes.
4年级
Science project
The life cycle of Drosophila
The life cycle of Drosophila
Science project
The life cycle of Drosophila
Learn about the life cycle of fruit flies in this experiment. Catch fruit flies and observe the various stages of insect metamorphosis.
4年级
Science project
Catalase and hydrogen peroxide experiments
Science project
Catalase and hydrogen peroxide experiments
In the catalase and peroxide experiment, the children put a potato in a jar of hydrogen peroxide to see how catalase works as an enzyme.
The fifth grade
Science project
Water transport by plants
Water transport by plants
Science project
Water transport by plants
In this science project, learn about water transport in plants and make cohesive beautiful stained flower arrangements, adhesion, and xylem tubes!
The third grade
Science project
Eccentricity of orbit
Eccentricity of orbit
Science project
Eccentricity of orbit
In a cool seventh-grade science fair project, use math to model orbital eccentricity.
Science project
A three-dimensional model of the sun
A three-dimensional model of the sun
Science project
A three-dimensional model of the sun
In this wonderful project, create a scale model of the different layers of the lit sun, including the core, radiative and convective regions, and the photosphere.
The fifth grade
科学
Science project
Scale model of the solar system
Scale model of the solar system
Science project
Scale model of the solar system
In this interesting science fair project, two different scale models of the solar system were made using astronomical units and the relative sizes of planets!
4年级
科学
Science project
Magnification and focal length of the lens
Magnification and focal length of the lens
Science project
Magnification and focal length of the lens
Learn how lens focal length affects magnifying glass magnification in this cool science fair project idea for 8th graders.
科学
Science project
Use the height of the North Star to find latitude
Use the height of the North Star to find latitude
Science project
Use the height of the North Star to find latitude
For this project, all you need is a protractor to learn how to use the height of the North Star to calculate latitude on Earth. The North Star is also known as the North Star.
4年级
Science project
What causes the moon to wax and wane?
What causes the moon to wax and wane?
Science project
What causes the moon to wax and wane?
What causes the waxing and waning of the moon? Make a model to see the position of the sun, the moon, and the Earth forming a crescent, convex, quarter, full, and crescent.
The fifth grade
科学
Science project
Hand and foot tests
Hand and foot tests
Science project
Hand and foot tests
Handedness and handedness refer to whether people prefer to use their left or right hands and feet. In this experiment, hand and foot dominance are tested.
The third grade
Science project
Regenerating cabbage: Vegetative propagation and cloning of plants
Regenerating cabbage: Vegetative propagation and cloning of plants
Science project
Regenerating cabbage: Vegetative propagation and cloning of plants
What is vegetative reproduction? In this cool experiment, you can learn how to clone plants and regenerate cabbage from a stem!
The sixth grade
科学
Science project
The effect of grey water on plant growth was determined
Science project
The effect of grey water on plant growth was determined
Whether putting soapy water on a plant helps or hinders its growth? In this cool science fair project, kids learn about sewage and how it affects plant growth.
The fifth grade
科学
Science project
Rust Chemistry: How is rust Formed?
Rust Chemistry: How is rust Formed?
Science project
Rust Chemistry: How is rust Formed?
How does rust form? Kids will learn about characters, water, electrons playing the role of rust chemistry in this cool science fair project.
The third grade
Science project
The diffusion rate of
The diffusion rate of
Science project
The diffusion rate of
The kids learn about Brownian motion, diffusion, and in this cool science project, temperature is a key factor that affects the rate of diffusion.
Science project
Plastic Wrap Science Fair Project: Polymer permeability
Science project
Plastic Wrap Science Fair Project: Polymer permeability
In this saran Wrap Science Fair project, you'll learn about the permeability of polymers and find out which saran wrap best prevents food dehydration.
The third grade
科学
Science project
How does the phase of the moon affect tides?
How does the phase of the moon affect tides?
Science project
How does the phase of the moon affect tides?
How do the phases of the moon and gravity cause spring tides and neap tides? Does the sun play a role in the tides? Find out in this fun science project!
The fifth grade
Science project
3D animal cell model
Science project
3D animal cell model
Building a 3D animal cell model with this cool science fair project will this help kids visualize and understand the functions of cell parts and organelles.
The third grade
Science project

Search for Science projects

The online lottery is a collection of science fair project ideas written by science teachers, professional scientists, and educational consultants for popular science fairs on topics ranging from physics and chemistry to biology and even sociology. Online lottery offers free science fair ideas for every grade, whether kindergarten, kindergarten, elementary, middle school, or high school. Check the box in the sidebar to filter your results, or use the search bar to find the perfect science fair project or experiment that your child is sure to enjoy.