Curated OER
Heat Transfer & Phase Changes
In this heat transfer and phase change worksheet, students experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...
Curated OER
Mixing and Stirring
Middle schoolers experience mixing through dancing. In this physical science lesson plan, students not only dance to show mixing but also demonstrate mixing and stirring by combining milk and chocolate milk.
Curated OER
Water - the (Nearly) Universal Solvent
In this water instructional activity, students explore the reasons why water is considered a universal solvent. Students compare different ways to change the dissolving rate of a solute. This instructional activity has 11 fill in the...
Curated OER
The Elements
Middle schoolers watch video, The Elements, research information about elements using both the Internet and CD-ROM program, and create atoms out of gumdrops and licorice.
Curated OER
Kinetic Molecular Theory
Students analyze and evaluate evidence that matter is made of tiny particles. They observe a series of phenomena involving solids, liquids, and gases to make inferences about the spacing, interactions and relative kinetic energies of the...
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States of Matter
In this states of matter worksheet, students are given 15 statements and they fill in the blank with terms related to solids, liquids and gases and the transition from one state to another. Students use the clues to complete a crossword...
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Sugar Solutions
Seventh graders study biological systems and how they reach equilibrium. In this system balance lesson students divide into groups and complete an osmosis lab activity.
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Isomers
For this isomers worksheet, students define isomers and then draw the different isomers for the given chemical formulas. This worksheet has 30 problems to solve.
Curated OER
More Fun with Lewis Structures
In this compounds learning exercise, students draw the Lewis structures for the given compounds, being sure to show the bond angles and molecular shapes. This learning exercise has 6 problems to solve.
Creative Chemistry
Energy Changes in Reactions
For this chemical bonds learning exercise, students determine how much energy is needed to break bonds. Students classify reactions as exothermic or endothermic and identify a reaction as reversible. This learning exercise has four...
Curated OER
Organic Chemistry
In this organic chemistry worksheet, learners determine the relationships between compounds. Students use Newman Projections to draw stable conformations for compounds. This worksheet has 6 problems to solve.
Curated OER
Thermochemistry
In this thermochemistry worksheet, students indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Students calculate...
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Organic Worksheet
In this organic molecules worksheet, students solve twelve problems. They identify functional groups of organic molecules, they draw isomers, and they give structural and molecular formulas for compounds.
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WS 10.4 Organic Naming
In this organic molecules worksheet, students are given fifteen organic molecules to name, write the structural formula, write the line formula, write the condensed structural formula and write the molecular formula.
Curated OER
More Fun with Lewis Structures
In this Lewis structures worksheet, learners are given 6 compounds and they write the Lewis structure for each. They identify compounds with resonance structures and include the resonance structures if present.
Curated OER
Eggshells
Students examine the porosity of eggshells. In this eggshell properties instructional activity, students observe dyed eggs, then peel the eggs to see if the color was able to go through the shell and discuss why eggshells have pores.
Curated OER
Models of Hydrocarbons
Students construct models of hydrocarbon molecules using candy and toothpicks. In this hydrocarbons lesson plan, students are given a sheet with the molecular formulas of hydrocarbons. As a group, they construct each molecule using...
Curated OER
Ice or Water?
In this ice and water worksheet, students read about the energy needed to transform ice to liquid water. Students solve 3 problems where they calculate the energy needed to melt ice given different scenarios in space.
Curated OER
WS 10.1 Organic Chemistry
In this organic chemistry instructional activity, students compare inorganic and organic compounds. They write structural and molecular formulas for given molecules.
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Empirical Formulas
Students investigate empirical formulas for molecules. In this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing electron...
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Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses learning exercise, learners are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
Curated OER
Balancing Equations
In this chemical equations worksheet, students determine the products and reactants for given equations and then balance the equations. This worksheet has 4 problems to solve.
PhET
Reactants, Products and Leftovers
Did you know when you mix the reactants sulfur, tungsten, and silver, you get the products SWAg? The simulation begins with making sandwiches, to show pupils reactants and products of something familiar. They then can make water,...
PhET
States of Matter
Water is the only molecule on Earth that can naturally exist in all three states of matter. The interactive simulation shows different molecules changing states of matter with the addition or removal of heat. Learners then see how...
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