Curated OER
Sink or Float?
Students predict and explore to discover which objects sink or float in fresh and salt water, predict how salt affect objects, write predictions on T chart, discuss difference between man-made and natural waters, and graph results.
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
Aquatic Communities
Students watch a video about aquatic communities. They conduct an experiment that shows how movement of rivers change the landscape. They compare fresh and salt water communities and its wildlife.
Curated OER
Water, Water Everywhere, and Nary a Drop to Drink!
Students sing the continent song and locate oceans between the continents on a map. They read "They Earth is Mostly Ocean" and copy notes into their journals. They watch a demonstration of water and saltwater evaporated to see what is...
Curated OER
The Tip of the Iceberg
Students 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
Venn Diagram: Comparing Water
In this Venn diagram comparison worksheet, students compare salt water and fresh water. Worksheet contains a link to additional activities.
California Academy of Science
A Day inthe Life of a San Francisco Native Animal
Although the lesson is specifically about the San Francisco Bay area, it's good enough to be adapted to any local region. Children research what the landscape in San Francisco was like prior to settlement, they consider the types of...
Curated OER
A Day in the Life of a San Francisco Native Animal
Students write from an animal's perspective. In this writing lesson students explore the landscape of San Francisco prior to the arrival of the explorers. Students research animals indigenous to the area.
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...
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...
Curated OER
Building A Solar Still
Students investigate the water cycle by viewing an online video. In this drinking water lesson, students create solar stills at their campus in order to purify water that is tainted. Students view a video on their computers about...
Curated OER
Properties of Fresh and Sea Water
Students work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.
Curated OER
Osmosis and Dialysis
How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...
Polar Trec
Do You See What Icy?
Here is a lesson that kicks off with a question. "How does ice floating on the ocean act as it melts?" As learners investigate this natural phenomenon, they'll discover that it has a lot to do with temperature, salinity, and the effect...
Curated OER
Earth's Water Sources
General facts about Earth's water sources, human use, and the water cycle are outlined by this presentation. Slide three has a grammatical error and slide nine refers to the local watershed of the author, so you will need to make a few...
Curated OER
Sea Water Mixing and Sinking
Students investigate the role of temperature and salinity in determining seawater density. They use a Temperature-Salinity Diagram to examine the effects of mixing on density.
Curated OER
The Coastal Ocean: Estuaries and Continental Shelves
Amazing high-quality satellite imagery, photos, informational graphs, and detailed diagrams comprise this presentation on the movement of estuaries and the continental shelf. Data used as an example is from The Chesapeake Bay and because...
Curated OER
Liquid Rainbow
Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.
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
Kidney Structure and Function: removing intracellular waste
Your class will learn all about the function of the kidney and how it operates in animals from different habitats. The methods of absorption, filtering and excretion are detailed and pupils will learn of the different disposal methods...
K12 Reader
Water Water Everywhere
The protection of our water supply is the subject of an article used in this cross-curricular reading comprehension worksheet. After studying the passage, readers use information from the text to respond to a series of comprehension...
Curated OER
Microfishing
Students use a simple method to collect living microorganisms from natural and/or artificial environments and develop skills in microscopy, observation, drawing, speculation, hypothesizing, oral presentation, and raising questions.
Curated OER
Density Dynamics
Students set up working models demonstrating lake turnover and the formation of deep water masses in the oceans.
Curated OER
Conductivity - Pass the Buoy and Pepper, Please
Buoys around our coastlines are equipped with sensory devices which monitor temperature, salinity, and water pressure. Emerging earth scientists examine some of this data and relate salinity to the electrical conductivity of the surface...