Curated OER
Exploring Density with Salt and Fresh Water: Part 5
This particular lesson was written by the National Earth Science Teachers Association, but density is a concept that you can teach at the beginning of the school year in your life, physical, or earth science classes. It would be fun to...
NASA
Freshwater Availability Classroom Activity
This science assignment produced by NASA teaches inquiring minds the distribution of Earth's water. Learners will appreciate and understand the importance of fresh water and how weather and climate affects everything.
Curated OER
Regulating the Internal Environment
This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent...
Curated OER
Maintaining the Internal Environment
Explore homeostasis in animals with this all-encompassing worksheet. Advanced biology pupils consider a variety of mechanisms for maintaining internal conditions such as temperature and waste products. Eighteen short-answer questions...
San Francisco Public Utilities Commission
Desalination: Turning Salt Water into Fresh Water
How does San Francisco supply its citizens with enough water, even during a drought? Learn about reservoirs and why desalination could be a good solution with a reading passage about water conservation. After kids finish the...
Michigan Sea Grant
Water Quantity
It may be tricky for a young mind to conceptualize that less than 1% of all water on earth is useable for humans to drink. Simulating the amount of fresh water available on earth by removing measured amounts of water from a five-gallon...
Curated OER
Water Conservation
Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...
Centers for Ocean Sciences
Ocean and Great Lakes Literacy: Principle 1
Is your current lesson plan for salt and freshwater literacy leaving you high and dry? If so, dive into part one of a seven-part series that explores the physical features of Earth's salt and freshwater sources. Junior hydrologists...
Curated OER
Groundwater Basics
Groundwater is an essential natural resource, not to mention a fascinating topic to study. Here is a series of twelve amazing lessons on the water source and how we use it in our daily lives. Concepts require higher math and physics...
Curated OER
Great Lakes Ecology
Eighth graders identify the Great Lakes, and describe the habitat of life of a loon. They are able to point to and explain one of the major river systems that enters the Great Lakes with a focus on the Clinton River and the food webs...
Curated OER
# 21 Measuring Nitrate by Cadmium Reduction
Students design an experiment to evaluate the effects of various treatments on the nitrogen cycle in a freshwater aquarium. They are required to maintain a laboratory notebook of all work, measure the key analytes of the biosystem at...
Curated OER
Water in the Geosphere
Through a PowerPoint presentation and the embedded animation and video, earth science enthusiasts find out about the moisture in the soil beneath our feet. In the animation, follow a water molecule on its path through the water cycle. As...
Curated OER
Teaching About the Hydrosphere
Eighth graders are introduced to the Earth's hydrologic system including the cycling of water in the atmosphere and the movement of water on the surface of the planet using the Great Lakes watershed as an example.
Centers for Ocean Sciences
Ocean and Great Lakes Literacy: Principle 7
Your mission, should you choose to accept it, is to take your class on an underwater adventure. The final installment in a seven-part series involving salt and freshwater bodies takes junior oceanographers below the surface in...
Earth Day Network
Filtering Water
See the water filtration system up close with a fun science experiment. Young scientists work for several class periods to design a water filter using household objects, and then decide which filter material would be most effective in...
Curated OER
Reproduction and Development
Have a sense of humor when discussing human anatomy with your class! Through puzzles and riddles, learners become comfortable with words relating to reproduction and development. They combine mixed up words from the "vocabulary gene...
Environmental Protection Agency (EPA)
Excuse Me, Is This the Way to the Drainpipe?
Elementary kids read and color the story of Willy Wetsworth, a drop of water, as he describes the journey that he and his friends take to provide fresh water to houses. He tells his story to Martha Merriweather, a little girl, and...
Virginia Department of Education
Freshwater Food Chains
What's in the water? Encourage your class to further explore this question and learn about pond ecosystems, food chains, and food webs as they complete this hands-on activity. They view the environment from a new perspective after...
Curated OER
Water in Earth's Hydrosphere
Environmentalists test stream water for temperature, pH, and turbidity. Each group shares their information and then the class makes an overall evaluation of the water quality. A slide show sets the backdrop for the teaching portion and...
Foundation for Water & Energy Education
How Can a Dam Affect a River? Activity B
Second in a pair of activities, young ecologists continue to examine the food pyramid of a freshwater ecosystem. They take a look at the food pyramid drawn in Activity A and consider what would happen if a reservoir was created on the...
Curated OER
Chapter 16 Review- General Science
In this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Curated OER
Using Maps to Make Public Health Descisions Case Study: Harmful Algal Blooms in the Gulf of Mexico
Students are introduced to GIS and its uses. Students participate as public health scientists to deliberate a course of action to explore possible research questions. Pupils interpret spatial data, and make predictions based on GIS data,...
Curated OER
The Excretory System
In this excretory system worksheet, students read a brief excerpt about water balance and the excretory system. Then they identify what compound birds, insects and reptiles living in dry habitats excrete. Students also describe how...
Curated OER
Earth System Science: Hydrosphere
Students identify the major Earth systems, and describe at least ten major uses of water on planet earth. They research major sources of earth's water, and describe general aspects of the hydrosphere.