Physical Science Grade 7
| Pacing | Unit Title | Standards | Focus Questions | Content | Vocabulary | Skills | Resources | Assessment |
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10 Days
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Metric Measurement
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Why is the metric system useful?
How can an object be identified based on its density?
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Metric System
Measuring…
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Metric System Meters Liters Grams Density
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SWBAT… Measure volume, mass and length using metric units.
Measure the masses and volumes of regular and irregular shaped objects, calculating their densities, and identifying the samples of matter.
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Online Assessment |
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10 Days |
Scientific Method |
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Experimental Design Graphing
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SWBAT… Design and conduct their own experiments.
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online assessment |
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20 Days
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Molecules and Kinetics |
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What are molecules made of?
How are atoms arranged in molecules?
Why do some atoms form simple molecules vs extended structures?
Do molecules act and move differently in different phases of matter?
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The basics of atoms and the Periodic Table
Molecules and Bonding
Kinetic Energy and Molecular Motion
Thermal Expansion
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SWBAT…
Develop a model that predicts and describes changes in particle motion, temperature, and phase (state) of a substance when thermal energy is added or removed.
Develop models to describe the atomic composition of simple molecules and extended structures.
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online assessment |
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20 days |
Synthetics and Mixtures |
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How can mixtures be separated?
Where do synthetic materials come from?
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Methods of separating mixtures
Identifying chemical vs physical changes
Researching processes by which new materials are synthesized
Analyzing sources for biases
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SWBAT
Gather and make sense of information to describe that synthetic materials come from natural resources and impact society
Plan and conduct an investigation to demonstrate that mixtures are combinations of substances.
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Online assessment |
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20 days |
Chemical Reactions
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What is the difference between physical and chemical reactions?
Can you identify a chemical reaction based on observations?
What happens to atoms and matter during a chemical reaction?
What factors affect the amount of heat that is released or absorbed during a chemical reaction?
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Observing reactions and identifying characteristics of chemical reactions vs physical reactions based on observations.
Modeling the conservation of mass (molecules) during a chemical reaction
Engineering experiments to release or absorb increasing or decreasing amounts of heat.
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SWBAT
Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.
Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy during a chemical and/or physical process.
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Online assessment |
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20 Days
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Energy Transfer
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What are factors that influence a structure's ability to retain or release thermal energy as heat?
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Heat Transfer
Establishing relationships between the amount of energy stored and transferred by a substance based on its mass.
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SWBAT
Apply scientific principles to design, construct, and test a device that either minimizes or maximizes thermal energy transfer.
Plan and conduct an investigation to determine the relationships among the energy transferred, the type of matter, the mass, and the change in the temperature of the sample of matter.
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Online Assessment |
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20 Days
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Energy Transfer and Work
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What is the relationship between kinetic energy and mass?
What is the relationship between kinetic energy and speed?
How does energy change during a reaction? Is there more than one type of energy?
How does force result in work being done on an object?
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Graphing relationships between Kinetic Energy and Mass and Kinetic Energy and Speed separately
Identifying how force applied to an object is correlated to the amount of work being done on the object.
Discussing and identifying how energy is transferred from one form to another.
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SWBAT…
Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object
Construct, use, and present an argument to support the claim that when work is done on or by a system, the energy of the system changes as energy is transferred to or from the system.
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Online Assessment |
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20 Days
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Newton’s Laws |
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How is the motion of objects affected by the force applied?
What is the relationship between an object's mass and acceleration when force is applied?
When two objects interact, what is the direction and magnitude of their forces?
What happens when the forces acting on an object are unbalanced?
How does height affect an object's potential energy?
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Observing the interactions between objects when various amounts of force are applied.
Identifying the magnitude and direction of two colliding objects.
Comparing strength of forces
Relationships between gravity and mass
Modeling changes in potential energy based on height (and its relationship to gravity)
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SWBAT… Apply Newton’s Third Law to design a solution to a problem involving the motion of two colliding objects.
Plan and conduct an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object.
Construct and present arguments using evidence to support the claim that gravitational interactions are attractive and depend on the masses of interacting objects and the distance between them.
Develop a model to describe that when the arrangement of objects interacting at a distance changes, different amounts of potential energy are stored in the system.
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Online Assessment |
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20 Days |
Electricity and Magnetism |
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How can electricity be used to induce magnetism?
Are electrical and magnetic forces affected by factors like distance and quantity?
What is the relationship between magnets and electricity?
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Observing electromagnets, electric motors and generators.
Electromagnetic strength based on wire turning
Factors affecting motor speed.
Assessing how energy can be transferred by electrical currents.
Demonstrating how “invisible” fields exist that exert force on
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SWBAT
Ask questions about data to determine the factors that affect the strength of electric and magnetic forces.
Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact.
Make observations to provide evidence that energy can be transferred by electric currents.
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Online Assessment |
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20 Days |
Waves/Electromagnetic Radiation
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What are the effects of amplitude, frequency and wavelength on how much energy a wave has? How can we model how waves move through different materials? Why has the prevalence of analogue technology shifted toward digital technology?
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Comparing the qualitative and quantitative differences between different types of waves.
Modeling and comparing waves based on their energy.
Observing how waves are altered as they pass through different mediums and materials.
Comparing digital to analog technology and evaluating the reasoning for why society has shifted away from analog tech.
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SWBAT
Develop a model and use mathematical representations to describe waves that includes frequency, wavelength, and how the amplitude of a wave is related to the energy in a wave.
Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
Integrate qualitative scientific and technical information to support the claim that digitized signals are a more reliable way to encode and transmit information than analog signals.
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Online Assessment |
