Curated OER
Sedimentary Rocks
In this sedimentary rocks worksheet, students conduct an experiment where they observe a shallow dish of water and table salt. Then they determine what causes the salt to leave deposits in the pan. Students also describe sedimentary rock...
Curated OER
A Funny Taste
Young scholars participate in a demonstration that illustrates the relative amounts of salt in various bodies of water including the Dead Sea, Sallt Lake, Ocean water and distilled water. They taste and compare various mixtures.
Curated OER
Technology of the Deep: Experiments with Buoyant Forces
Young scholars conduct a series of experiments to study the effects of temperature and salinity on the buoyancy of an object in water. They devise ways to make floating and sinking objects neutrally buoyant.
Curated OER
Primary Biological Content Area
Students complete activities to learn about the growth process for crystals. In this crystal growth lesson, students use the given materials to complete a liquid bluing activity. Students observe and analyze the growth of crystals.
Curated OER
Water Water Everywhere and Not a Drop to Drink!
Middle schoolers describe limitations of fresh water resources on ships at sea. They realize the value of fresh water on the ocean and around the world. Students gain a knowledge of the process and economic cost of desalinization.
Curated OER
Smoothing Out the Rough Spots
Fifth graders experiment to observe the changes created on a surface by mechanical action of water with varying amounts of mineral content and abrasive qualities. They write the predictions of their outcomes and describe all of their...
Curated OER
Ranking Salinity
Learners explain the uses of titration in chemistry and in industry. In this chemistry lesson, students determine the concentration of an unknown solution using titration. They calculate the percent of salt in saline solutions.
Curated OER
8th Grade Earth Science: Density
Students draw upon their prior knowledge of the density of water and practice writing a hypothesis, making an observation, and analyzing data while watching a density demonstration.
Curated OER
Plasmolysis in Elodea Plant Cells
High schoolers microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. Students explain the major function of a cell membrane and describe its structure.
Curated OER
Rusting and the Scientific Method
Pupils observe the oil can scene with the tin man from a clip from "The Wizard of Oz" and answer the question, "What can we learn about rust from this scene?". They take 2 tubes and 2 nails, adding 1 salt packet to 2 ml of distilled...
Curated OER
Floating Pencil
Students discover how salt water makes a pencil float better than freshwater by measuring and comparing the lengths of the portion of the pencil that floats above the water surface. They then determine if an unknown water sample is...
Curated OER
Science Lesson #2
Fourth graders explore and experiment with objects that float to see if they float differently in salt water or fresh water. After the experiment, they write a paragraph in their science journal explaining how fresh water and ocean water...
Cornell University
Energy Changes in Chemical Reactions
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
Curated OER
Oceanography
Second graders identify saltwater and freshwater habitats and the resources found in them. They compare and contrast the two habitats and discuss their findings. They discover the resources bodies of water can provide.
Cornell University
Discovering Enzymes
Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.
Curated OER
Is It Paella? (Parts 1 and 2)
In this is it paella worksheet, students view, research and discuss a variety of international dishes and answer fifteen comprehension questions.
Curated OER
Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
Curated OER
Activity Plan Mixed Ages: Exploring Play Dough
Students learn to prepare a play dough recipe in order to enhance their measurement, reading, and creative-thinking skills. In this lesson plan on making play dough, students measure and add the different ingredients, while...
Curated OER
Understanding Variables
In this science worksheet, middle schoolers examine the topic in order to solidify knowledge covered in the curriculum using puzzles and creative games.
Curated OER
Bromine: An Important Arkansas Industry
Arkansas ranks first in the entire world in the production of bromine! Here is a lesson which guides middle schoolers through a study about the formation and history of Arkansas' bromine reserves. They also looks at the many uses of...
Curated OER
The Magic School Bus Baked in a Cake
Students learn along with Ms. Frizzle's class. In this Magic School Bus lesson plan, students learn that baking is like a chemistry experiment as they make chemistry happen by following a recipe for pretzels.
Curated OER
Here Comes Winter!
Students investigate winter behaviors in animals. They describe winter and write about the characteristics of the season by drawing and labeling a winter picture. Students then conduct research on a chosen animal and create a chart. ...
Curated OER
Periodic Table
In this science instructional activity, students use explore the crime of the missing elements in order to become more familiar with the Periodic Table.
Curated OER
Pretzel Mania
In this lesson plan, students enhance their number and letter recognition. Students make letters and numbers with pretzel dough. Students prepare the pretzel dough, shape it, bake it, and eat it. In this lesson plan, students test...