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1000 Science Fair Projects with Complete Instructions

32 Nature Experiments

32 Nature Experiments

Nature is full of amazing things to explore! Look around at the rocks, trees, mountains, rivers, oceans, and sky. They're all waiting for us to discover their secrets! Let's go outside and have some fun with these nature science projects!

Browse nature experiments

Each science project has complete instructions with videos to guide you through the experiment!

Investigating Air Quality
Let's explore the air around us and see what's in it!
Easy
Exploring Biological Communities
Discover the organisms that live in different communities and learn how to identify them!
Medium
Exploring Life in Water
Take a closer look at the amazing creatures living in a drop of water from a lake or pond!
Medium
The Impact of Plant Communities
Discover how different types of plants can affect the biodiversity of a region!
Medium
Acidic Water and Zebra Mussel Shells
Does acidic water make Zebra mussel shells softer? Let's find out!
Easy
Controlling Purple Loosestrife
Can we get rid of a foreign plant without hurting our crops? Join us to find out!
Easy
Monarch Migration and Global Warming
Can Monarch butterflies survive wet and freezing cold temperatures brought on by global warming? Find out in this science project!
Hard
Investigating Boatyard Pollution
Let's explore how antifouling paint affects the environment and marine life by testing water samples from a boatyard!
Medium
Investigating Acid Rain
Let's explore how acid rain affects our environment in a fun and creative way!
Easy
Pollution and Water Depth
Dive deep to discover how water pollution changes with depth!
Hard
Investigating Water Pollution
Come explore the wetland and discover the different types of pollution that can affect the water and the plants and animals that live in it!
Easy
Wind Speed and Altitude
Measure the wind speed at different heights and see how it changes!
Medium
Measuring the Weather
Learn how to measure the weather around you with this fun science project! Measure cloud cover, humidity, pressure, and temperature with simple tools and techniques.
Easy
Cleaning Up Oil Spills with Elodea
Can Elodea plants help clean up oil spills? Find out in this science project!
Medium
Precipitation Across the US
Let's explore how much rain and snow falls in different parts of the US!
Medium
Why is the Sky Blue?
Have you ever wondered why the sky is blue? Find out why with this fun science project!
Hard
Plant Pavlovian Conditioning
Can plants learn? Find out if the Mimosa Pudica plant can be conditioned to respond to stimuli like animals do!
Hard
Investigating Stomata Density
Let's explore how the number of stomata on pine tree leaves changes depending on the amount of traffic in the area!
Medium
Vegetable Propagation
Learn how to grow your own vegetables with this fun science project! You'll explore different methods of vegetative (asexual) propagation and see which one works best.
Medium
Investigating Water Loss in Plants
Let's explore how much water plants lose through transpiration and see if bigger leaves mean more water loss!
Medium
Growing Plants from Fragmentation
Learn how to grow a new plant from a piece of an existing one!
Medium
Growing Crystals in Different Temperatures
Let's find out if temperature affects the size of crystals!
Medium
The Soil Moisture Mystery
Can earthworms and water help plants grow? Join us in this experiment to find out!
Easy
Plant Gas Exchange
Let's find out what side of a plant leaf takes in gases!
Medium
Sun Prints: Science Meets Art!
Want to make cool designs using leaves and flowers with sunlight? Explore how the Sun's UV rays affect construction paper while creating beautiful art.
Easy
Uncovering Fall Colors
Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf!
Medium
Changing the Color of Flowers
Did you know you can change the color of flowers? With this science experiment, you can!
Easy
Rock Hardness Challenge
How hard is that rock? You can learn how to classify your own rocks by their hardness just like geologists!
Medium
Measuring Rock Density
Rocks are irregularly shaped. How can you measure the density of a rock? (Density = weight / volume) Discover the answer by using water displacement and weighing the rock to ...
Medium
Porosity and Permeability of Rocks: Holding Water, Gas and Oil
Can some rocks hold more oil, gas and water than others? Find out in this rock porosity and permeability experiment!
Medium
Fizzy Rocks: Vinegar on Rocks
Find out if rocks have calcium carbonate, also known as calcite, in them with a simple fizz test!
Medium
Freezing Rocks: Mechanical Weathering with Water
Ever wondered how water can break rocks? Discover the power of ice in this exciting experiment on weathering!
Medium

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