Polar Trec
Sea Ice Impact
The arctic seas contain currents that are both warm (with high salinity) and cold (relatively fresh water) that circulate throughout the year. Through discussion, a lab, and a web quest, participants explore the impacts of melting and...
Curated OER
The Sun as the Driving Force of the Water Cycle
Learners study the water cycle and how the sun is an important factor. In this water cycle lesson plan students investigate how to desalinate water and explore the different densities of fresh versus saltwater.
Curated OER
Diaper Challenge
Young scholars compare the absorbency of a regular diaper and a swim diaper in fresh water and salt water. In this absorbency lesson plan, students mass the diapers and place them in water and determine the change in mass. They do the...
Curated OER
Osmosis
Fifth graders explore osmosis as they watch organisms divide. In this organism instructional activity, 5th graders use potatoes to experiment with the effects of salty water in the body. Students discuss what osmosis is and record what...
US Department of Energy
Solar Distiller
Explore the sun's ability to distill contaminated water with this simple set of classroom experiments. After filling two glass bowls, one with muddy water and the other with salt water, they are covered with plastic wrap and placed in...
Curated OER
Capillary Action and Adhesion
Learners perform classroom experiments to observe adhesion. They perform a second experiment using sand, salt, water, and a heat lamp to observe the principle of capillary action. They also experiment with adhesion in plants.
Curated OER
Factors Affecting Ocean Currents
Students design and conduct an experiment to determine the effect of salinity and temperature changes in the movement of ocean currents. In this earth science lesson, students record observations and collect data. They share their...
Curated OER
How Stuff Is Put Together (Chemical Bonding)
Fourth graders participate in a simple experiment that shows the ratio of elements that make up water.
Curated OER
Identifying Variables
In this variables worksheet, students are given seven experiments that they read and identify the independent variable, dependent variable, control group and standardizing variable.
Curated OER
Experimentation With Plants
Fourth graders experiment with different varieties of plants and draw conclusions after performing a series of lab activities. A very helpful student worksheet is given. This is a nicely done introductory lesson for life science.
Curated OER
Aquaculture
Students examine an experiment in which 2 types of commercial fish are fed a new type of fish feed and a commercial fish feed which costs ten times as much. They calculate in the fish grow as well with the cheaper fish feed and then...
Curated OER
Sea and Ice Salinity
Students conduct an experiment. In this salinity activity, students learn about sea ice, why it is important and how changing amounts can affect the sea. Students conduct an experiment to find out the effects of salinity on the...
Curated OER
The Journey of the Pacific Salmon
Students examine the journey of the Pacific salmon. In this salmon species lesson, students review the stages of the salmon life cycle and conduct an experiment to determine how the water and habitat changes during each stage.
Curated OER
Properties of Salt
Students discuss certain properties of salt and how it is used every day as well as harmful uses. They experiment with salt to see it conduct electricity, form crystals and water freezing temperature. They complete a worksheet to record...
Alabama Learning Exchange
Presenting the Water Cycle
Third graders complete a unit of study about the water cycle using both print and Internet based resources. They examine fresh and salt water and complete an online quiz before developing a multimedia presentation highlighting the phases...
Curated OER
Making Hail
Fourth graders investigate the different types of precipitation and conduct a hail experiment. They identify the types of precipitation during a slideshow, and define key vocabulary terms. Next, in small groups they follow the...
Curated OER
Estuarine Currents
Students experiment observing a demonstration on models of density-driven currents which are typically found in an estuarine system of water flow. They compare/contrast water temperature and salinity to the formations of estuarine currents.
Curated OER
Physical and Chemical Changes
Young scholars investigate chemical and physical changes. For this physical and chemical change lesson plan, students perform 3 experiments in the lab to observe changes in matter. They determine that no new substances are formed in...
Curated OER
A Fish Tale
Students conduct an experiment. In this fish lesson, students discover how fish cells respond to fresh and salty water and if temperature effect the movement of a fish's gills. Students also identify the characteristics of a fish.
Curated OER
Slow Rot or Not?
Fifth graders examine how environmental factors affect decomposition. In this decomposition lesson, 5th graders experiment with the decomposition of grapes in five different environmental settings. They look at images of items that have...
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...
Curated OER
Great Salt Lake
Third graders are introduced to the Great Salt Lake (GSL) environment and the various components of it. They make observations about algae and its environment and discuss why it is considered a living organism and various components of...
Curated OER
Salinity
Learners define and discuss salinity, conduct classroom experiment to determine salinity of water sample by using hydrometer, record predictions, and demonstrate understanding of how salinity influences object's ability to float in water.
Curated OER
Out of the Deep
Students observe, describe, and record characteristics of ocean animals (mammals and fish) and sea shells. They conduct an experiment comparing and contrasting sugar water, salt water and fresh water and create a mural of coral reef...