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Water 3: Melting and Freezing
Students understand that most substances may exist as solids, liquids, or gases depending on the temperature, pressure, and nature of that substance. This knowledge is critical to understanding that water in our world is constantly...
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Substances And Chemical Reactions
Students watch and predict chemical reactions when different substances are mixed together. They differentiate between solid, liquid, and gas.
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USING YEAST AS AN ULTRAVIOLET LIGHT MEASUREMENT TOOL
Pupils realize the importance of organisms as standards of measurement and experimentation.The first lab is a simple survival curve that demonstrates the effects of UV light on cells. The second lab looks at repair mechanisms of the DNA...
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Water and Ice
Students examine water. In this chemistry instructional activity, student examine the physical properties of water and how it changes from a liquid to a solid or a gas. This instructional activity contains links to a second and third...
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Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, learners solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
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Matter and Molecular Motion
Fourth graders define the states of matter and their properties. They demonstrate the air is matter and observe the effect of molecular motion through these activities.
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Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Photosynthesis: Trapping the Sun's Energy
In this photosynthesis worksheet, students learn how plants trap the sun's energy and the light-dependent reactions of photosynthesis which includes the Calvin cycle. This worksheet has 5 true or false, 6 fill in the blank, 2 short...
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AP Chemistry Chapter 9
In this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as well...
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What's the Big Deal?
Students explore and define methane hydrates and describe ways that it can impact their own lives. In this methane hydrate lesson students create a molecular model and research methane hydrate.
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Matter
Fifth graders investigate the nature of matter and of the scientific processes associated with them in this series of lessons.
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Barometer and Boiling Points
Diagrams bring barometers to light in this PowerPoint. Several slides explain the structure and function of this apparatus. The relationship of air pressure to the processes of evaporation and boiling are also explained. This would be an...
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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.
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Moles, Stoichiometry, and Concentration
In this stoichiometry activity, students practice calculating moles, molar mass, and percentage composition of given compounds. This activity has 55 problems to solve.
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Chemical Equations and Stoichiometry
In this chemical equations worksheet, students calculate how many grams are used to in the equation written as well as the grams formed in the chemical equation. Students identify the limiting reagent in some of the chemical equations....
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Avogadro's Law
Students study Avogadro's law and what it means in science. In this gaseous lesson students complete an Avogadro's law experiment.
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The States of Water
Students observe water changing states from a solid to a liquid to a gas.
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Teaching about the Chemistry of Oxygen Solubility
Students explore solubility of gases in water, Henry's Law, LeChatelier's Principal, and supersaturation of gases in water.
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Floating Candles
Students observe a combustion reaction and deduce the components necessary for the reaction to occur. They also identify and interpret the relationship between pressure, volume, and number of molecules for gasses. Finally, students use...
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Interpreting Chemical Formulas
In this chemical formulas activity, students practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This activity has 13 fill in the blank questions.
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Colored H2 Balloon Explosions
Learners perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light. ...
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Science: Discovering Earth's Air Prressure
Fourth graders discover earth's air pressure through observation of several experiments. In the "Experiment of the Leaky Bottle," they observe how air pressure forces water out of the lowest hole farther than the holes above it. In...
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Kids for Conservation Lesson 1
Third graders observe various demonstrations dealing with the water on our earth, such as a comparison of the amount of salt water and fresh water on earth, then participate in a role playing activity in which they become a molecule of...