7th Grade Science

7.6(B)* use the periodic table to identify the atoms and the number of each kind within a chemical formula 

7.6(C)* distinguish between physical and chemical changes in matter

 7.6(A) compare and contrast elements and compounds in terms of atoms and molecules, chemical symbols, and chemical formulas

 7.6(D) describe aqueous solutions in terms of solute and solvent, concentration, and dilution 

7.6(E) investigate and model how temperature, surface area, and agitation affect the rate of dissolution of solid solutes in aqueous solutions 

7.7(A)* calculate average speed using distance and time measurements from investigations 

7.7(C)* measure, record, and interpret an object’s motion using distance‐time graphs 

7.7(B) distinguish between speed and velocity in linear motion in terms of distance, displacement, and direction 

7.7(D) analyze the effect of balanced and unbalanced forces on the state of motion of an object using Newton’s First Law of Motion 

7.8(A) investigate methods of thermal energy transfer into and out of systems, including conduction, convection, and radiation 

7.8(B) investigate how thermal energy moves in a predictable pattern from warmer to cooler until all substances within the system reach thermal equilibrium 

7.8(C) explain the relationship between temperature and the kinetic energy of the particles within a substance 

7.9(A) describe the physical properties, locations, and movements of the Sun, planets, moons, meteors, asteroids, comets, Kuiper belt, and Oort cloud 

7.9(B)* describe how gravity governs motion within Earth’s solar system 

7.9(C) analyze the characteristics of Earth that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere 

7.10(A)* describe the evidence that supports that Earth has changed over time, including fossil evidence, plate tectonics, and superposition 

7.10(B)* describe how plate tectonics causes ocean basin formation, earthquakes, mountain building, and volcanic eruptions, including super volcanoes and hot spots 

7.11(A)* analyze the beneficial and harmful influences of human activity on groundwater and surface water in a watershed 

7.11(B)* describe human dependence and influence on ocean systems and explain how human activities impact these systems 

7.12(A)* diagram the flow of energy within trophic levels and describe how the available energy decreases in successive trophic levels in energy pyramids

 7.12(B) describe how ecosystems are sustained by the continuous flow of energy and the recycling of matter and nutrients within the biosphere 

7.13(A)* identify and model the main functions of the systems of the human organism, including the circulatory, respiratory, skeletal, muscular, digestive, urinary, reproductive, integumentary, nervous, immune, and endocrine systems 

7.13(C)* compare the results of asexual and sexual reproduction of plants and animals in relation to the diversity of offspring and the changes in the population over time 

7.13(D)*describe and give examples of how natural and artificial selection change the occurrence of traits in a population over generations 

7.13(B) describe the hierarchical organization of cells, tissues, organs, and organ systems within plants and animals 

7.14(A) describe the taxonomic system that categorizes organisms based on similarities and differences shared among groups 

7.14(B) describe the characteristics of the recognized kingdoms and their importance in ecosystems such as bacteria aiding digestion or fungi decomposing organic matter