Curated OER
Immiscible Liquids and Density
Students will make a lava lamp. In this density instructional activity, students will combine water and oil and make observations, then add salt to the oil and observe the oil sink, then float again when the salt dissolves in the water.
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Water Quality
Students play the role of scientists testing for water quality in the area. In this ecology lesson, students determine the water sample's pH, temperature, dissolved oxygen and turbidity. They write a journal reflection after the activity.
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Food and Fiber: Helping the Environment and You
Fourth graders explore the many uses of corn-based products and the importance of water resources. They consider how biodegradable products help to keep water clean. They perform experiments to observe how corn pellets dissolve while...
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Stream Chemistry Monitoring
Students become familiar with real-world gathering of chemical data. The experience how the science is done: the nature of analysis, data collection, interpretation, and presentation. They study a nearby body of water for their experiment.
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Diffusion of Molecules
Young scholars study the process for diffusion of molecules. In this chemistry lesson, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop observational...
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The Dead Zone: A Marine Horror Story
Students graph dissolved oxygen versus depth using data taken from NECOP Program. In this marine science lesson, students explain the causes of hypoxia. They recommend possible solutions to this problem.
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Bermuda: Search for Deep Water Caves 2009: Out of Darkness
Students analyze the three models on the origin of troglobitic fauna. In this life science lesson, students also consider how the Zonation model explains the fauna's origin. They also use the Internet to research solutional and volcanic...
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Slime!
Students participate in a science experiment in which they try and move gelatin cubes with and without a lubricant. They examine the concept of friction and resistance to motion.
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Understanding Salinity
Students discuss why the ocean is salty. They discuss what salinity is. Students are told that is they want to know how much salt is in a body or water, they would use a special scientific tool. They complete an Estuarine Layers science...
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Plant Word Search Puzzle
In this science worksheet, students look for the words that are related to the concept that is reviewed in the sheet. They also acquire new vocabulary.
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What Properties Do Solutions Have?
In this solutions worksheet, students will write down two properties that solutions have and then will come up with a conclusion about solutions based on their facts.
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How Does Matter Change?
In this matter instructional activity, students will fill in the blank of 3 statements that show facts about the changes that can happen to matter. Students will then fill in the blank of 1 conclusion statement.
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What Happens When You Mix Things?
In this mixtures worksheet, students complete 3 statements about what happens when you mix things together. This worksheet is a graphic organizer.
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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.
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Pop Rockets
Pupils study Newton's Third Law of Motion which involves action and reaction. They discover what makes a rocket go and then design and construct a rocket that will launch the furthest using the pressure created by an antacid tablet...
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What If the Reef Dies?
Students complete four activities to investigate how reef ecology can change. They perform experiments to show how sewage discharge can affect a marine ecosystem, look at substances that don't dissolve in water, examine wave action...
Teach Engineering
What Makes Our Bones Strong?
So is that what you meant by rubber legs? The activity has pairs subject a chicken bone to vinegar and observe what happens over a period of days. Individuals then write up a lab report and document their observations and findings.
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Solution Shapes
Eighth graders examine different solutions. In this solution material lesson students complete a lab activity and several worksheets.
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Keeping a Balance
In this cell fluid balance worksheet, students read about how fluids are transported in and out of a cell through the cellular membrane. Students compare cells that are isotonic, hypertonic, and hypotonic. This worksheet has 3 matching...
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A “Salting” Solution
Ninth graders investigate the factors affecting solubility. In this chemistry lesson, 9th graders differentiate solvent and solute. They give examples of real world application of solutions.
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Ethyl Alcohol
In this ethyl alcohol learning exercise, students read about the characteristics of ethanol including the effects it has on the body when ingested and digested. This learning exercise has 2 short answer questions.
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Homeostasis and the Plasma Membrane
In this homeostasis and plasma membrane worksheet, 9th graders identify and solve 11 different vocabulary terms and definitions. They review the definitions of the words listed and then use the clues to complete the puzzle shown....
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Minerals And Their Uses
In this minerals worksheet, students will review the four physical characteristics used to identify a mineral: streak, color, size, and hardness. Students will also understand the Mohs Hardness Scale. This worksheet has thirteen short...
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Solutions Worksheet
Students complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.