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Physical and Chemical Changes

For Students 8th - 12th
In this physical and chemical changes worksheet, students will read 4 different examples of a physical or chemical change and will write in the effect of each of these changes.
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Worksheet
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Enzyme Practice Sheet Key

For Students 10th - Higher Ed
In this enzyme worksheet, students solve 6 problems including questions about how enzymes work, graphs of the relationship between enzyme and substrate and structures of enzymes.
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Lesson Plan
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Series and Parallel Circuits

For Teachers 7th - 12th
Students examine electricity.  In this circuits lesson students complete an activity that shows them the configuration of circuits. 
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Lesson Plan
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The Chemistry of Coal

For Teachers 9th - 10th
Students investigate the chemistry of coal. This lesson serves as a review of conservation of mass, simple reactions and equation balancing. During the lesson, students research chemical components of coal, as well as environmental...
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Lesson Plan
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Power, Work and the Waterwheel

For Teachers 6th - 8th
Learners use a two-liter bottle, dowel rod and index cards to design and construct a water wheel. They then calculate the power created and measure the work done by the water wheel in Watts and Joules.
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Lesson Plan
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The Consequences of Extinction

For Teachers 9th - 12th
High schoolers participate in a class discussion on site of an older style bridge to help connect the significance of each organism in an ecosystem by using an analogy of bolts slowly being removed from a working bridge.
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Lesson Plan
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Arsenic and Human Health

For Teachers 9th
Ninth graders concentrate on arsenic poisoning as an example of the connections among health, geography, and geology as they develop a persuasive presentation about the dangers of arsenic in the drinking water, targeting a specific...
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Lesson Plan
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A Day in the Life of a Coal Miner (1910)

For Teachers 10th - Higher Ed
Students compare and contrast fossil fuels and bio-fuels. They brainstorm what mining might look like in the future. Students view the film "A Day in the Life of a Coalminer." They discuss fossil fuels and the methods of extraction....
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Worksheet
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Physical Science Review 5th Grade

For Teachers 3rd - 4th
In this review of physical science worksheet, students use recall to answer multiple choice questions about electricity and chemical changes. Students answer 25 questions.
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Lesson Plan
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Fossil Fuels-Importance and Formation

For Teachers 6th - 8th
Student is introduced to the concept of energy as a common factor among all things. They list three fossil fuels and describe how fossil fuels were formed. They then tell how much plant debris it took to form one foot of coal.
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Lesson Plan
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Effects of the Sun on Our Planet (Grades 2-4)

For Teachers 2nd - 4th
Students observe how the sun's rays can cause evaporation and discuss its role in the weather cycle. They discover what the sun's energy brings to plants. They examine how different types of technology can enhance the amount of solar...
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Lesson Plan
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Watch the Sky for Lightning

For Teachers K - 2nd
Students identify lightning in pictures from the provided Internet site. They study a definition of lightning as a form of heat energy that can be dangerous. They state and illustrate a minimum of three lightning safety rules.
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Lesson Plan
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World Wide Winds

For Teachers 9th - 12th
Students recognize that global winds move in specific directions in specific latitudes and describe that in a written form. They relate the motion of the wind belts to historical navigation.
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Lesson Plan
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Classification of Clouds

For Teachers 9th - 12th
Students view progressive slides of cloud formations and identify which type of cloud is shown as it forms. They estimate the cloud's height while viewing each image.
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Lesson Plan
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How Does a Liquid Become a Solid?

For Teachers 4th - 8th
Pupils explore the energy changes from a liquid to a solid. They model the arrangement of a solid and the change in states due to changes in energy using desks and chairs. Assessment questions are provided in lesson plan.
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Lesson Plan
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Melts in Your Bag, Not in Your Hands

For Teachers 3rd - 6th
Students study how the sun transfers heat to the earth through radiation. They examine how animals absorb energy from the sun to warm their bodies by experiment with chocolate melting. They examine sun safety.
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Lesson Plan
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To See or Not to See: The Colors of Light

For Teachers 7th
Seventh graders describe and conduct an experiment that identifies the physical properties of light. They explore sources of visible light and an electromagnetic spectrum. Students explain the conversion of one form of energy to another.
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Worksheet
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Worksheet 19

For Students 6th - Higher Ed
For this math worksheet, learners use the following descriptions of a spring system to write a differential equation of the form my + γy + ky = F(x).
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Lesson Plan
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Light the Bulb

For Teachers 4th - 6th
Learners explore electricity. In this power experiment lesson, students determine what is required for lighting a bulb. Learners develop an understanding of open and closed circuits, and how energy is formed
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Lesson Plan
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Photocells II: The Photoelectric Effect in Photocells

For Teachers 9th - 12th
Students discuss the principles of atomic structure that underlie the operation of a photovoltaic cell and explains how they apply to a photovoltaic cell's operation. An area of the classroom is staked off to represent a photovoltaic...
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Worksheet
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Properties of Ionic Compounds

For Students 10th - Higher Ed
For this compounds worksheet, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This worksheet has 5 short answer questions.
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Lesson Plan
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Making Clouds: Aerosol-Cloud Interactions in a Beaker

For Teachers 6th - 8th
Learners observe a teacher demo on how clouds form. In this earth science lesson, students discover how cloudiness affects relative humidity. They explain the scattering of light by clouds.
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Lesson Plan
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What Color is Chlorophyll?

For Teachers 8th - 12th
Students observe the interactions of chlorophyll and light. They develop and form their own testable hypotheses. Students predict the color of chlorophyll in various types of plants.
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Lesson Plan
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Latent Heat and Clouds

For Teachers 5th - 12th
Students explore latent heat and how it relates to clouds in the atmosphere.  In this earth science lesson students investigate how clouds are formed. Students examine clouds and the water cycle.

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