Curated OER
N, B, and T: Pollutants Three
Students explore nutrient, bacterial, and toxic surface water pollution. They identify the amount of water they use each day and summarize the kinds of substances that cause water pollution. They predict what will happen in water...
Curated OER
Science: What Is the Carbon Cycle?
Students examine the carbon cycle while identifying its sources, sinks, and release agents. Using magazines and newspapers, groups of students design collages illustrating the carbon cycle. Finally, they write responses to several...
Curated OER
Chemical Energy
In this science worksheet, students fill in the blank for 15 sentences about chemical energy. For example, "Chemical bonds hold_."
Curated OER
Biochemistry Quiz
In this biochemistry worksheet, students review amino acids, proteins, lipids, and carbohydrates. This worksheet has 29 multiple choice, 8 fill in the blank, and 3 short answer questions.
Curated OER
Anhydrides, Acid Rain and Titrations
In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...
Curated OER
Air Pollution
In this pollution worksheet, learners read about how air pollution is created and the harmful products that come out of a car exhaust. Then students complete 9 short answer questions.
Curated OER
Magnesium: From Sea Water to Fireworks
In this magnesium worksheet, students read about how magnesium is extracted from sea water and the different uses of magnesium. Then students complete 4 short answer questions.
Curated OER
Physical vs. Chemical
In this physical vs. chemical change activity, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...
Curated OER
Surface Area to Volume Ratio
Students examine the surface area to volume ratio and how they relate. In this surface area lesson students complete several activities.
Curated OER
Rusting: A Form of Oxidation
Students observe and record the corrosive nature of oxidation-reduction reactions, and determine the electro-chemical series of selected metals.
Curated OER
Water Chemistry
Students engage in a lesson that is concerned with the concept of water chemistry. They conduct research using a variety of resources. Students also consider an experiment to observe how water has the abiility to exist as three different...
Curated OER
Activity 1-Cold Water, Hot Water and Super-Heated Water!
Students investigate hydrothermal vents by observing a simple model designed to show that hot water rises when it's heated. First, students listen as the teacher explains hydrothermal fluids and vents. Students watch as the teacher...
Curated OER
Cavern Geology: Speleothem Construction
Young scholars discover how underground rock formations grow. They perform various activities based on grade level.
Curated OER
Blood, I Presume?
Students explain the value of blood in trials. In this DNA lesson students work together to collect and share information and ideas that they come up with after learning how to distinguish blood from other stains.
Curated OER
Water
Students examine water, its function and how much you should consume. In this water lesson plan students study water and why it is important, how much you should drink and what its functions are in your body.
Curated OER
Photosynthesis and Respiration
In this photosynthesis worksheet, 7th graders study the effects of photosynthesis and respiration in plants and animals. Students respond to 21 short answer questions.
NOAA
Noaa: Estuaries 101 Curriculum: Dissolved Oxygen in an Estuary
In this activity, students focus on the relationship between dissolved oxygen, plant growth, chlorophyll-a and temperature using SWMP water quality data from monitoring stations in the Narragansett Bay Estuarine Research Reserve and the...
Science Buddies
Science Buddies: I'm Trying to Breathe Here! Dissolved Oxygen vs. Temperature
To survive, we need oxygen in the air we breathe. Oxygen is also essential for most aquatic organisms, but there is much less oxygen available in water than in air. Learn how to measure dissolved oxygen and then see how oxygen...
Omega Engineering
Technical Dissolved Oxygen: The Fundamentals
This site is useful to find information about dissolved oxygen and the types of tests that are administered to determine the dissolved oxygen level.
Science Education Resource Center at Carleton College
Serc: How to Measure Dissolved Oxygen
A general overview of dissolved oxygen and how it is measured. Also includes protocols for measuring dissolved oxygen in turbulent waters as well as using the Winkler titration method.
Other
Dissolved Oxygen
This site talks about the importance of dissolved Oxygen and provides field testing kit information.
Texas Instruments
Texas Instruments: Dissolved Oxygen
Students use the Dissolved Oxygen Probe to measure the concentration of dissolved oxygen in water from streams and rivers. They correlate the availability of dissolved oxygen to temperature, pressure, and salinity.
Texas Instruments
Texas Instruments: Jason: Does Oxygen in the Water Matter
JASON Aquatic Field Study: Explore how dissolved oxygen is one of the best indicators of the health of an aquatic ecosystem. Measure the dissolved oxygen level of a local aquatic site and explore how it affects water quality.
Other
Water on the Web: The Chemistry of Oxygen Solubility
This resource provides a description of oxygen solubility in water as it relates to temperature and pressure with introductory definitions and sample data to analyze. Animations require Shockwave plugin.