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Showing Results for water cycle

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

The Hydrologic Cycle

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Water Purification Experiment: Removing Chlorine From Water

Help your kindergarten science maven explore the water cycle without getting everything wet.

Making Rain

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Supercooled Water

Discover whether a metal will expand under hot water.

Does Water Temperature Cause Metal to Expand and Contract? 

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How Does Salinity and Temperature Affect the Density of Water?

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Heat Capacity of Water vs. Heat Capacity of Oil

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Does Liquid Weigh More after Freezing and Boiling?

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Keep a Candle Burning Underwater!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Ocean Currents

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is Plant Transpiration?

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Make Ice Cream in a Baggie!

Use this lesson to help your ELs quickly find information on a specific topic by looking for a noun and its pronouns in a nonfiction text. It can be a stand-alone lesson or used as support for the lesson Ecosystems Explained.

Information from Multiple Sources

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Salinity and Hatching Brine Shrimp Eggs

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Heat Convection in Liquids

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Does Mint Actually Cool Things Down?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

What Lives in the Air Conditioner?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

Reuse Markers to Create Liquid Watercolors

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How to Measure Viscosity of Liquids

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How to Make a Hygrometer: Sling Psychrometer

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Rate of Evaporation

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Homemade Thermometer

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

Discover how and which salt melts ice the quickest.

Salt Melting Ice

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