What's New: Science Worksheets and Study Guides

Famous AmericansMartin Luther King Day
Volcanoes Seventh Grade Science
Bones, muscles, and skin Eighth Grade Science
Plate tectonics Eighth Grade Science
Respiration and excretion Eighth Grade Science
Properties of atoms Eighth Grade Science
Chemistry in our world Seventh Grade Science

Tennessee Standards for Eighth Grade Science

TN.12. Physical Science: Forces in Nature

CS.12. Everything in the universe exerts a gravitational force on everything else; there is an interplay between magnetic fields and electrical currents.

GQ.12. What are the scientific principles that explain gravity and electromagnetism?
0807.12. Checks for Understanding
0807.12.1. Create a diagram to explain the relationship between electricity and magnetism.0807.12.2. Produce an electromagnet using a bar magnet and a wire coil.0807.12.4. Create a chart to distinguish among the earth's magnetic field, and fields that surround a magnet and an electromagnet.0807.12.5. Explain the difference between mass and weight.
GLE.0807.12. Grade Level Expectations
GLE.0807.12.1. Investigate the relationship between magnetism and electricity.GLE.0807.12.3. Compare and contrast the earth's magnetic field to that of a magnet and an electromagnet.
SPI.0807.12. State Performance Indicators
SPI.0807.12.1. Recognize that electricity can be produced using a magnet and wire coil.SPI.0807.12.3. Distinguish among the Earth's magnetic field, a magnet, and the fields that surround a magnet and an electromagnet.SPI.0807.12.4. Distinguish between mass and weight using appropriate measuring instruments and units.

TN.5. Life Science: Biodiversity and Change

CS.5. A rich variety of complex organisms have developed in response to a continually changing environment.

GQ.5. How does natural selection explain how organisms have changed over time?
0807.5. Checks for Understanding
0807.5.1. Select characteristics of plants and animals that serve as the basis for developing a classification key.0807.5.2. Create and apply a simple classification key to identify an organism.0807.5.4. Collect and analyze data relating to variation within a population of organisms.0807.5.5. Prepare a poster that illustrates the major factors responsible for reducing the amount of global biodiversity.0807.5.6. Prepare graphs that demonstrate how the amount of biodiversity has changed in a particular continent or biome.0807.5.7. Create a timeline that illustrates the relative ages of fossils in sedimentary rock layers.
GLE.0807.5. Grade Level Expectations
GLE.0807.5.1. Identify various criteria used to classify organisms into groups.GLE.0807.5.2. Use a simple classification key to identify a specific organism.GLE.0807.5.3. Analyze how structural, behavioral, and physiological adaptations within a population enable it to survive in a given environment.GLE.0807.5.4. Explain why variation within a population can enhance the chances for group survival.GLE.0807.5.5. Describe the importance of maintaining the earth's biodiversity.GLE.0807.5.6. Investigate fossils in sedimentary rock layers to gather evidence of changing life forms.
SPI.0807.5. State Performance Indicators
SPI.0807.5.1. Use a simple classification key to identify an unknown organism..SPI.0807.5.2. Analyze structural, behavioral, and physiological adaptations to predict which populations are likely to survive in a particular environment.SPI.0807.5.3. Analyze data on levels of variation within a population to make predictions about survival under particular environmental conditions.SPI.0807.5.4. Identify several reasons for the importance of maintaining the earth's biodiversity.SPI.0807.5.5. Compare fossils found in sedimentary rock to determine their relative age.

TN.9. Physical Science: Matter

CS.9. The composition and structure of matter is known, and it behaves according to principles that are generally understood.

GQ.9. How does the structure of matter influence its physical and chemical behavior?
0807.9. Checks for Understanding
0807.9.1. Identify atoms as the fundamental particles that make up matter.0807.9.10. Identify the atomic number, atomic mass, number of protons, neutrons, and electrons in an atom of an element using the periodic table.0807.9.12. Differentiate between the reactants and products of a chemical equation.0807.9.2. Illustrate the particle arrangement and type of motion associated with different states of matter.0807.9.3. Measure or calculate the mass, volume, and temperature of a given substance.0807.9.5. Distinguish between elements and compounds by their symbols and formulas.0807.9.6. Differentiate between physical and chemical changes.0807.9.7. Describe how the characteristics of a compound are different than the characteristics of their component parts.0807.9.8. Determine the types of interactions between substances that result in a chemical change.0807.9.9. Explain how the chemical makeup of the atmosphere illustrates a mixture of gases.
GLE.0807.9. Grade Level Expectations
GLE.0807.9.1. Understand that all matter is made up of atoms.GLE.0807.9.2. Explain that matter has properties that are determined by the structure and arrangement of its atoms.GLE.0807.9.3. Interpret data from an investigation to differentiate between physical and chemical changes.GLE.0807.9.4. Distinguish among elements, compounds, and mixtures.GLE.0807.9.5. Apply the chemical properties of the atmosphere to illustrate a mixture of gases.GLE.0807.9.6. Use the periodic table to determine the characteristics of an element.GLE.0807.9.8. Interpret the events represented by a chemical equation.GLE.0807.9.9. Explain the basic difference between acids and bases.
SPI.0807.9. State Performance Indicators
SPI.0807.9.1. Recognize that all matter consists of atoms.SPI.0807.9.10. Identify the reactants and products of a chemical reaction.SPI.0807.9.12. Identify the basic properties of acids and bases.SPI.0807.9.2. Identify the common outcome of all chemical changes.SPI.0807.9.3. Classify common substances as elements or compounds based on their symbols or formulas.SPI.0807.9.4. Differentiate between a mixture and a compound.SPI.0807.9.5. Describe the chemical makeup of the atmosphere.SPI.0807.9.6. Compare the particle arrangement and type of particle motion associated with different states of matter.SPI.0807.9.8. Interpret the results of an investigation to determine whether a physical or chemical change has occurred.SPI.0807.9.9. Use the periodic table to determine the properties of an element.

TN.Inq. Inquiry

CS.Inq. Understandings about scientific inquiry and the ability to conduct inquiry are essential for living in the 21st century.

GQ.Inq. What tools, skills, knowledge, and dispositions are needed to conduct scientific inquiry?
0807.Inq. Checks for Understanding
0807.Inq.2. Identify tools and techniques needed to gather, organize, analyze, and interpret data collected from a moderately complex scientific investigation.0807.Inq.3. Use evidence from a dataset to determine cause and effect relationships that explain a phenomenon.0807.Inq.5. Design a method to explain the results of an investigation using descriptions, explanations, or models.
GLE.0807.Inq. Grade Level Expectations
GLE.0807.Inq.1. Design and conduct open ended scientific investigations.GLE.0807.Inq.2. Use appropriate tools and techniques to gather, organize, analyze, and interpret data.GLE.0807.Inq.3. Synthesize information to determine cause and effect relationships between evidence and explanations.GLE.0807.Inq.5. Communicate scientific understanding using descriptions, explanations, and models.
SPI.0807.Inq. State Performance Indicators
SPI.0807.Inq.3. Interpret and translate data into a table, graph, or diagram.SPI.0807.Inq.4. Draw a conclusion that establishes a cause and effect relationship supported by evidence.

TN.T/E. Technology and Engineering

CS.T/E. Society benefits when engineers apply scientific discoveries to design materials and processes that develop into enabling technologies.

GQ.T/E. How do science concepts, engineering skills, and applications of technology improve the quality of life?
0807.T/E. Checks for Understanding
0807.T/E.1. Use appropriate tools to test for strength, hardness, and flexibility of materials.0807.T/E.3. Explore how the unintended consequences of new technologies can impact society.
SPI.0807.T/E. State Performance Indicators
SPI.0807.T/E.4. Differentiate between adaptive and assistive bioengineered products (e.g., food, biofuels, medicines, integrated pest management).

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