Curated OER
Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Movement of Objects
Ninth graders investigate motion. In this science lesson, 9th graders conduct experiments on objects to analyze motion and speed. They define motion in everyday life.
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Automobile-Accident Reconstruction
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.
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Ionic Chemical Formulas Days 1 & 2
Learners study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
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The Spin Doctor Is In
Students are introduced to rotational inertia with some example of objects that rotates: Throw a Frisbee acroos the field and it rotates as it moves. The same is true for a baseball and a football. The two motions, translational and...
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Thermal Energy and Heat Unit
Learners explain that heat energy in a material consists of the disordered motions of its atoms or molecules. They know and explain that transformations of energy usually transform some energy into the form of heat, which dissipates by...
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Limiting Reagent
Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...
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What Influences Reaction Rate?
Students study reaction rates, what determines how fast a reaction happens and how the chemical changes occur. In this reactions lesson students complete a lab where they use Alka-Seltzer to observe reaction rate and create a graph...
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Collisions and Momentum: Bouncing Balls
Middle schoolers explore the concepts of potential and kinetic energy by bouncing assorted balls on different surfaces and calculating the momentum for each ball. They give examples of collisions and momentum in sports and understand...
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Bouncing Balls
Students work together to examine how different types of balls react to colliding with different surfaces. They discover the difference between elastic and inelastic collisions. They practice calculating momentum as well.
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Work and Energy
Pupils show that energy is conserved in the laboratory. They calculate the work done by a force on an object as the product of the force and a displacement of the object from a reference point.
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Chemical Bonding
Eighth graders identify the three main types of chemical bonds. In this chemistry lesson, 8th graders draw Lewis dot diagrams of elements and determine the bond formed. They create a model water molecule.
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Cycles Review
Eighth graders discuss the four major cycles of matter. In this general science lesson plan, 8th graders decide which of the four is the most important. They share their opinion in class.
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"Water, Water Everywhere and None to Drink"
Ninth graders research the importance of maintaining an unpolluted water source in their community. They work together in groups and brainstorm ideas on what they can do to help. They can also write their local politicians.
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Particle Physics- Activity Five
In this particle physics worksheet, students use graphs and tables to predict the particles formed during a specific observation event. They complete 5 multi-part fill in the blank questions.
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Skateboard Science
Learners investigate how skaters can turn in midair. In this physics instructional activity, students relate Newton's Laws to skateboarding. They carry out the maneuver with the help of their classmate.
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The Ghost Particle
Students collect evidence to make inferences about a object hidden inside a sealed box. They think critically and logically to raise questions. Students identify questions that can be answered through investigation. They formulate and...
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Stoichiometry
Students research chemical formulas and balance chemical equations. For this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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Chemistry: Balancing Chemical Equations
Eighth graders practice balancing chemical equations. In this chemistry lesson, 8th graders explain why it is necessary to balance equations. They complete practice worksheets individually.
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Photosynthesis and Respiration
Eighth graders differentiate photosynthesis and respiration. In this biology instructional activity, 8th graders draw a diagram explaining these two processes. They answer a quiz after the instructional activity.
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Impulse/Momentum Lab
Students investigate the relationship between force and momentum using motion detectors and sensors. In this physics lesson, students graph experimental results. They calculate impulse using the area under the graph.
Science Education Resource Center at Carleton College
Serc:interactive Study: Laws of Conservation of Mass and Definite Proportions
Dalton's Playhouse is an interactive concept simulation meant to convey fundamental concepts in chemistry, including the law of definite proportions, the law of multiple proportions, and the law of conservation of mass.
Khan Academy
Khan Academy: Dalton's Atomic Theory
Article explores the key points of Dalton's atomic theory and the laws of conservation of mass and constant composition. Which points do we still use today?
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Masses & Springs
Hang various mass weights on spring scales while you adjust the spring stiffness and damping in this online activity. Slow down the action, take it to another planet, or watch the amount of potential, thermal, and kinetic energy.