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Terrestrial Sequestration - Photosynthesis and Cellular Respiration
Learners investigate how plants absorb carbon dioxide during photosynthesis. In this biology instructional activity, students differentiate photosynthesis and cellular respiration. They discuss the important role of plants in the...
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Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
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A Very Simple Conductivity Meter
Students investigate the hardness of different water samples using the conductivity meter. In this chemistry lesson, students build their own meter following specific procedures. They identify an unknown sample of water.
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Science Lessons that Create the Right Chemistry!
Mix it up in your classroom with some chemistry investigations!
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pH Basics
At some point, all science learners experiment with pH. In this brief lesson, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your middle...
Chicago Botanic Garden
Carbon, Greenhouse Gases, and Climate
Climate models mathematically represent the interactions of the atmosphere, oceans, land, sun, surface, and ice. Part two in the series of four lessons looks at the role greenhouse gases play in keeping Earth warm and has participants...
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CO2 and Mass
Students determine if carbon dioxide has mass. In groups, they use a standard set of materials to test the carbon dioxide. They answer questions on their lab sheet and discuss them as a class.
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Activity #16 Dancing Spagehetti
Students experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...
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It's a Crash Test, Dummy
Middle schoolers use the internet to research air bags in cars and trucks. In groups, they discover air bags history and the safety issues surrounding them. They create their own design of a new air bag and test it using a raw egg in...
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Physical and Chemical Changes
Eighth graders distinguish between physical and chemical change. In this chemistry lesson plan, 8th graders observe a series of demonstrations showing physical and chemical changes. They identify the signs that a chemical reaction took...
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Acids and Bases Are All Around
In this acids and bases worksheet, students read a 1 page article on acids and bases and answer 10 true or false, short answer, multiple choice and/or fill in the blank questions or statements referring back to the article.
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Chemistry: Mini-Volcanoes
Young scholars observe an experiment using common household chemicals to simulate a volcanic eruption. In small cups, they follow the teacher's instructions to make their own volcanoes. After watching a Brain-pop video, students complete...
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Observing The Influence Of Acid Rain On Plant Growth
Students observe one of the direct effects of acid water on plant growth. Students engage in an experiment which will take about 2 weeks. Students will understand the effect that acid rain has on plant growth.
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Amylase Enzyme In Saliva
Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...
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Chemistry: Knowledge Quiz
For this chemistry quiz worksheet, students complete a set of 10 multiple choice questions covering a variety of chemistry concepts.
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Confectionary Bureau of Investigations: Case of the Cookie Mystery
Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...
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Chemical Changes
Sixth graders explore chemical and physical changes. In this instructional activity about chemical changes, 6th graders observe various items and changes that occur at certain times. Students determine what change took place and observe...
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How to Build a Salt-Dough Volcano
Students build a salt dough volcano. They the salt dough using the following ingredients: flour, salt, and water. Students mix flour and salt in a container and add water and mix until the dough is smooth. They then make the volcano....
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Chemical Leavening Agents
Students examine chemical leavening agents in dough and batters.
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PH Neutralization For Pollution Control
Students recognize whether a solution is an acid or a base. In this acids and bases lesson plan, students use chemicals and identify if those chemicals are acids or bases. From the conclusion, students will be able to identify if the...
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Observing Buffers In Lakes, Ponds And Streams
Young scholars observe the effects of limestone on the acidity of water. Some areas of the nation have a lot of limestone in lake bottoms and in soil, which helps neutralize the effects of acid rain. Students see this effect first hand.
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Volcanoes
Students explore the formation of volcanoes. In this earth science lesson, students build their own volcanoes in the lab using different materials. They identify the different types of volcanoes.
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Soil Buffering
Students observe the pH change of an acid mixture poured over soil in a filter. Since the buffering capability of soils differs, you may want to do this experiment with several different soil types.
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Looking At Acid's Effects On Metals
Students perform an experiment that demonstrates acid rain. The chemical effect of acids on metals may take at least five days for the human eye to see, even though the reaction starts as soon as the acid contacts the metal.
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