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The Pure, The Mixture, The Unknown
Ninth graders participate in classroom discussions, demonstrations and hands-on laboratory activities about pure substances and mixtures with a focus on common household materials. They investigate: What is a pure substance? What is a...
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Root, Root, Root for the Nutrients
Students observe the growth of a seed, predict what will happen when seeds are planted without soil, and conduct an experiment using a hydroponics system.
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Activity #17 Co2 From Alka Seltzer
Pupils observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.
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Acid Precipitation
Young scholars 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.
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Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
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Acid and Bases - Alien II
Eighth graders determine which of two solutions is more acidic by adding each to a given base. Students have to apply this analysis process to a problem scenario involving an alien creature.
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Chemistry Practice
In this chemistry practice worksheet, students select the correct response to the given questions. Students apply knowledge about the states of matter, finding vapor pressure and atmospheric pressure.
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Integrating Space Science-Ion Propulsion in Deep Space I
In this ion propulsion activity, students read about Deep Space I that uses ion propulsion to power the spacecraft. They learn about ion propulsion and answer three questions about it.
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Learning Activities: What Color Am I?
Learners identify various species of anurans by their skin coloration. They describe how coloration contributes to survival.
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What's Making It Look So Brown Outside?
Ninth graders analyze cars and particulate matter in the atmosphere. They analyze results of particulate pollutants and identify which vehicle gives off more particulates. They identify sources of particulate matter and relate to...
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What's on Your Plate?
Pupils demonstrate the path of food in the body. In this biology lesson, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.
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The Right Chemistry
Students see that chemistry is the study of matter, how matter reacts and combines to create new chemicals, the changes that take place in matter and what makes up matter. This lesson plan provides many good ideas across the curriculum...
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Activity #6 How Fast Do Reactions Go?
Students name the factors (concentration, temperature, and a catalyst) which can affect the rate of a chemical reaction. They use their knowledge of particle theory to explain their observations. Pupils comprehend that the...
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Activity #5 Environmental Effects
Pupils explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
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Activity #19 Oxygen For Yeast
Students observe and record what occurs when yeast is added to hydrogen peroxide. They indicate why a chemical reaction (decompostion) must have occurred during the experiement. Pupils explain why yeast was used. Students comprehend the...
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A Drug Encounter
Children discover with parent supervision, places where medications are stored and identify any chemical substances that are taken to change how one's body or mind works. Child discusses with parent differences between medicine and...
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Genetics 4 Mutations
Students identify and illustrate how changes in DNA cause mutations and evaluate the significance of these changes. They illustrate a chromosomal mutation such as duplication, deletion, inversion, and translocation.
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Practice Writing and Evaluating Conclusion Paragraphs
In this writing conclusions worksheet, students practice writing and evaluating paragraphs written at the end of an experiment. They are given a hypothesis and a results sentence and they write a conclusion.
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Bellwork for Week 11
In this bellwork instructional activity, students answer questions about chemical and mechanical weathering, particle size, and the soil profile at the start of class.
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Plop! Plop! Fizz! Fizz!
Fourth graders study physical and chemical weathering. They explain how the processes of weathering and erosion change and move materials that become soil. They create a K-W-L chart to show what they know and list what else they would...
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Mixtures
Sixth graders experiment with mixtures. For this chemistry lesson, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
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Water Pollution
Fifth graders observe and record what happens when household products are added to a tank of water to depict water pollution. They brainstorm ideas of how to clean the contaminate out of the water before watching demonstrations of...
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Biodiesel Combustion and Its Influences in NOx Emissions
Tenth graders evaluate the physical mechanisms that cause a change in NOx emissions. For this combustion lesson, 10th graders participate in a research project. Students create a presentation of their findings.
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Effects of Acid Rain
Third graders explore the concept of acid rain and its effects on ecosystems. They are placed in groups and using a graphic organizer they brainstorm their ideas about what would happen to the ecosystems living within these environments...