Curated OER
Solubility and Chemical Changes in Groundwater
Students test pH of water before and after it travels through different substrates (igneous pebbles and limestone) to detemine how soluble materials can affect groundwater. They answer questions such as: What happended to the pH of the...
Curated OER
Dishing the Dirt Part 3
Students collect and examine different soil samples. They test for specific types of soil elements and the pH level. They answer questions about optimum growing conditions as well.
Curated OER
Water Quality Monitoring
Students study the water quality of a stream in their area, by measuring the temperature, pH, alkalinity and conductivity. They integrate biology with earth science when using the microscope to study the living organisms in the water.
Curated OER
Measuring Water Quality
High schoolers are introduced to the various methods of measuring water quality. In groups, they test various water samples using the different methods, writing them down for pH, oxygen, salinity, and nitrate levels. They use their...
Curated OER
Acid Rain Keeps Falling on My Head
Students examine the pH level of rain water in their local community. They locate each location on a map. They analyze the data and draw conclusions.
Curated OER
What Is In The Cup?
Pupils investigate the mixtures of solutions. They utilize cups filled with bases and acids. Students test and determine the pH of each cup. The multiple cups are compared to each other in order to chart acids and bases according to pH...
Curated OER
A Self Directed Inquiry into the Identification of Unknowns
Learners gain experience in designing an experiment and use logic in selecting specific tests for unknowns. Students recognize the use of spreadsheets in helping one to make clear comparisons.
Curated OER
Is Your Water Clean?
Learners conduct tests of water samples from different sources, such as a local river, tap water, and an irrigation ditch. After determining which pollutants are present in each sample, students hypothesize the possible sources of the...
Curated OER
To Drink or not to Drink
Seventh graders discuss water quality, water availability and water resources and how water is used in the world around them. They view a video on water quality then test for pH, temperature and dissolved oxygen to indicate water quality.
Curated OER
Water Quality
Learners examine the YSI and the water properties that it measures. They identify the different properties of water pH, DO, temperature, turbidity, and salinity and determine why it is important for them to test these parameters.
Curated OER
Yogurt Production
Students work together to complete an experiment making yogurt. They test different temperatures and different amount of ingredients. They record and analyze their data.
Curated OER
Acid Rain
Students identify the causes and effects of acid rain. Using the internet, they research pollution sources in their local area and by collecting rain samples and testing the pH. In groups, they develop their own plan urging local...
Curated OER
Growing Plants with Worm Castings
Students test worm castings for content and use them to grow seeds. They hypothesize which castings best sustain seed growth. They observe growing plants to test their hypotheses. Later they graph their data.
Curated OER
Analyze the Results
Pupils conduct water tests and sample macroinvertebrates from a nearby source to make a general determination about the overall quality of water. They use worksheets and analyze data as part of a larger unit.
Curated OER
Underwater Picture of the Hudson River Estuary
Young scholars identify important aspects of water quality such as slainity and turbidity. They test two of the water quality parameters and determine the quality of the water. In addition, they construct two sets of graphs based on data...
Curated OER
Block & Tackle
Learners participate in a lab experiment in which they discover the need for so many blocks and tackles on sailing ships. In groups, they make and test their predictions and practice measuring objects in various units. They record and...
Curated OER
Technology as a Tool of Science
Young scholars monitor streams, take stream surveys, collect chemical and macro-invertebrate and stream discharge data. Using a digital camera, students observe the percentage of various types of vegetation on the flood plan, riparian...
Curated OER
Acid Precipitation
Students test the acidity of unknown solutions. They use this information to make inferences from data given from recorded rainfall records to identify areas that receive the most acid rain.
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a instructional activity that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to...
Virginia Department of Education
Moles Lab Activities
Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long.
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
Curated OER
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.
Curated OER
Examine an Ecosystem
Pupils examine an ecosystem and record what they see. For this ecosystem lesson students use a worksheet to help them identify the organisms in their ecosystem.