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Matter
Eighth graders explore chemical reactions and their products. They define a chemical reaction and describe the characteristics of a chemical reaction. Students classify chemical reactions.
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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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Sports Helmets and Impact Testing of Polymers
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
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Determination of Phosphates
Students engage in a laboratory lesson in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and future...
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Chemical Bonding
Eighth graders identify the three main types of chemical bonds. In this chemistry instructional activity, 8th graders draw Lewis dot diagrams of elements and determine the bond formed. They create a model water molecule.
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Chemistry: Balancing Chemical Equations
Eighth graders practice balancing chemical equations. In this chemistry lesson plan, 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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Cycles Review
Eighth graders discuss the four major cycles of matter. For this general science lesson, 8th graders decide which of the four is the most important. They share their opinion in class.
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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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The Concept of Energy
In this energy worksheet, students read about the discoveries of Galileo and how different philosophers contributed to our understanding of energy. Then students complete 4 short answer questions.
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Thermal Energy and Heat Unit
Young scholars 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...
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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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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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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
Students 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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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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Industrialization of the American Landscape
Students explore the Chernobyl incident and the resulting environmental health impacts. They explore three different isotopes that were released into the atmosphere. Through inquiry, students determine the difference between types of...
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Bouncing Balls
Middle schoolers 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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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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Olympics
In this Olympics worksheet, students answer multiple choice regarding training at and for the Olympics. Students complete 5 questions.
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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.
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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.
CK-12 Foundation
Ck 12: Physical Science: Conservation of Mass
[Free Registration/Login may be required to access all resource tools.] The law of conservation of mass and an example.
TED Talks
Ted: Ted Ed: The Law of Conservation of Mass
Everything in our universe has mass- from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow while...