Curated OER
Exothermic and Endothermic Changes
Students define and identify endothermic/exothermic reactions. Using a series of experiments, they construct and interpret potential energy diagrams for their reactions.
Curated OER
Acid-Base Indicator Paper
Learners are able to prepare and use pH indicators in paper form. They find out the color of the indicator paper plus test solution may change with time. Students use red cabbage to use for the indicator.
Curated OER
How to identify a physical change from a chemical change
Pupils identify the difference between some physical and chemical properties and compare some physical and chemical changes. They design an experiment to distinguish between a physical or a chemical property of their choice.
Curated OER
Activity #5 Environmental Effects
Students 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...
Curated OER
Activity #15 The Snowy Christmas Tree
Middle schoolers weigh out the proper amount of silver nitrate and prepare the silver nitrate solution. They observe what occurs when pure copper is added to silver nitrate solution. Pupils determine whether the change in the appearance...
Curated OER
Periodic Table I Quiz
In this periodic table I quiz, students select the best answer to the given questions. Students apply their knowledge of the periodic table and the arrangement to correctly answer the questions presented.
Curated OER
Teaching about Aquatic Respiration
Young scholars explore respiration in a lake ecosystem by experiment and research.
Curated OER
Cool Activities: Make Slime
Learners analyze chemistry by conducting an in-class experiment. In this slime lesson, students discuss what slime is and what form of matter it qualifies as. Learners utilize borax, glue, water, cups, food coloring and plastic bags to...
Curated OER
Diaper Challenge
Students investigate the absorbency of certain diapers. For this inquiry lesson, students examine how much water the crystals absorb. They collect data and share their results in class.
Curated OER
Using Irregular Verbs in Simple Paste Tense
In this irregular verbs worksheet, students write the correct form of the irregular verb in simple past tense. Students complete 12 sentences. Students then make their own sentences using irregular verbs in simple past tense.
Curated OER
Scientific Method Experiment: Factors Affecting How Ice Melts
Young scholars demonstrate the scientific method by conducting an ice cube melting experiment. They make predictions and observations, and conclude what factors make ice melt more slowly or quickly than normal.
Curated OER
Oxidation-Reduction Reactions
Focus on oxidation-reduction reactions with a review activity. Junior chemists answer short-answer questions before they write balanced half-reaction and full-reaction equations.
University of California
Hot! Hot! Hot!
Calories are not tiny creatures that sew your clothes tighter every night, but what are they? A science lesson, presented at multiple levels, has learners experiment with heat, heat transfer, and graph the function over time....
Curated OER
Solubility
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
Curated OER
Nothing New? A Physical Change
Fifth graders discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson, they review the steps of the water cycle and...
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...