Curated OER
Forming A Government
Students simulate being on an island after their ship has wrecked, or their plane has crashed. Food, fresh water, and shelter are in short supply. They must form a government, develop laws and penalties.
Curated OER
Oceans
First graders recognize that nearly three quarters of the Earth is covered by ocean. They locate the Pacific, Atlantic, Indian, Arctic and Antarctic oceans on a map. They describe the difference between ocean water and fresh water.
Curated OER
The Weight of Water
Students participate in an experiment about the weight of water. They work together to discover that seawater is more dense than fresh water. They also determine which objects float and sink.
Curated OER
The Effect of Medications on Daphnia
Students explore how human beings affect the world's ecosystem by examining the affects of medication on daphnia, a small freshwater organism very sensitive to pollution. Students use a computer model to repeat the experiment and analyze...
Curated OER
Oddball Out: Fish
In this problem solving worksheet, students analyze a row of pictures of various fish to determine which creature is different from the others pictured. A bonus question asks students to identify which fish live in salt water but breed...
Curated OER
Exploring "Our Lakes"
In this lakes worksheet, learners access a website to explore the geology and anatomy of a lake. This worksheet has 9 short answer questions.
Curated OER
Take a Dip: The Water in our Lives
Students collect water samples from local freshwater sources and test for pH, dissolved oxygen, nitrates, macroinvertebrates, phosphates, and coliform bacteria in order to determine water quality for each source.
Curated OER
The Tip of the Iceberg
Learners discover the percentage of an iceberg that is above and below the water surface. They compare salt water icebergs and fresh water icebergs and if they behave the same of differently. They work with their lab group to perform...
Curated OER
Comparing Fresh and Salt Water: Venn Diagram
In this Venn diagram worksheet, students compare and contrast fresh water and salt water. Worksheet includes a link to additional activities.
Curated OER
Venn Diagram: Comparing Water
In this Venn diagram comparison worksheet, students compare salt water and fresh water. Worksheet contains a link to additional activities.
Curated OER
Fish Communities in the Hudson
Learning to read data tables is an important skill. Use this resource for your third, fourth, or fifth graders. Learners will will study tables of fish collection data to draw conclusions. The data is based on fish environments in the...
American Chemical Society
Changing the Density of a Liquid - Adding Salt
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced...
Curated OER
Ecosystems and Remote Sensing
Young scholars obtain remote sensing data to compare and contrast global biomass data with global temperature data.
Curated OER
MEASURING THE DENSITY OF WATER
Students perform an experiment to measure the density of tap water vs. salt water.
Curated OER
Sensational Soil
Fourth and fifth graders explore soil by taking a simulated field trip under the earth. They go to an Internet site that runs a simulation which charges them with finding a source of pollution that could destroy all of Earth's soil, and...
Curated OER
What Is in the Water?
Students compare bottled water qualities to water found naturally in a pond habitat. They research their state's laws/regulations in regard to bottled water and study the advertising, cost, and quality of brands of bottled water. They...
Curated OER
Cooking with the Sun
Students explore using energy from the sun for heating and cooking as they build and compare the performance of four solar cooker designs. This excellent two-day lesson has groups of students build and test a variety of solar cookers....
Curated OER
Simple Calorimetry to Find the Enthalpy of Combustion of Alcohols
Accomplished chemistry learners set up a calorimeter and measure the energy released by various alcohols: methanol, ethanol, and either propanol or butanol. Lab masters will first need to design their own tables for recording data....
Curated OER
On the Trail of the Hudson's Migratory Fish
Ever wonder how scientists track fish underwater? Your class can learn how with this informative worksheet. First, they will read a paragraph about androgynous fish, tagging, and data analysis. Then, your scientists must answer five...
Curated OER
"Once More to the Lake" by E.B. White
Revisit your own childhood memories of long summers and lakeside fun with E.B. White's essay, "Once More to the Lake." Included here is the actual text as well as a series of short-answer questions that follow. Not only do readers study...
Owl Teacher
Teach Ancient Rome!
Teaching the class about Ancient Rome can be fun for you and for them! Check out this incredible resource that has everything you need to bring ancient Roman civilization back to life. Begin by scrolling to the bottom of the page and...
National Wildlife Federation
Quantifying Land Changes Over Time in Areas of Deforestation and Urbanization
Is qualitative or quantitative research more convincing when it comes to climate change? In the eighth instructional activity during this 21-part series, scholars begin by performing a quantitative analysis of deforestation and...
National Wildlife Federation
When It Rains It Pours More Drought and More Heavy Rainfall
Which is worse — drought or flooding? Neither is helpful to the environment, and both are increasing due to climate change. The 16th lesson in a series of 21 covers the average precipitation trends for two different climates within the...
Curated OER
Properties of Fresh and Sea Water
Learners work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.
Other popular searches
- Freshwater Fish
- Freshwater Ecosystems
- Fresh Water Pollution
- Freshwater Organisms
- Fresh Water Salt Water
- Freshwater and Saltwater
- Fresh Water Sources
- Fresh Water Ecosystems
- Freshwater Wetlands
- Fresh Water Biomes
- Boiling Point Fresh Water
- Freshwater Habitats