# Conservatory Lab Charter (District)

Districts Schools

## 2019 Item by Item Results for GRADE 08 SCIENCE AND TECHNOLOGY

### Number of Students Included: 22

 Conservatory Lab Charter (District) - GRADE 08 SCIENCE AND TECHNOLOGY ITEM INFORMATION PERCENT OF DISTRICT'S POSSIBLE POINTS ITEM TYPE REPORTING CATEGORY STANDARD ITEM DESC POSSIBLE POINTS CONSERVATORY LAB CHARTER (DISTRICT) STATE DISTRICT-STATE DIFFERENCE 1 SR TE 6.ETS.2.1 Describe why a material is an appropriate choice for part of a bridge. 1 64% 81% -17 2 SR PS 8.PS.1.4 Describe a change to a particle model that will show the atoms with more thermal energy. 1 68% 70% -2 3 SR PS 6.PS.4.1 Relate the amount of energy in a seismic wave to the wave's amplitude. 1 41% 39% 2 4 CR TE 7.ETS.3.4 Analyze a model bridge to determine the loads on the system and describe an advantage and a disadvantage of making a design change. 3 42% 52% -10 5 CR ES 8.ESS.2.1 Interpret a model of two oceanic plates colliding, identify a geological feature that is formed, and describe the process that causes plates to move. 3 39% 33% 6 6 SR LS 8.LS.3.4 Complete a table showing the percentages of genotypes for a cross between two plants that are heterozygous for a particular trait. 1 45% 42% 3 7 SR TE 7.ETS.1.2 Evaluate two design solutions to determine an advantage of one solution over the other. 1 41% 52% -11 8 SR TE 8.ETS.2.5 Describe the separation process for creating the desired shape of an object and describe the finishing process for that object. 2 25% 39% -14 9 SR PS 7.PS.3.4 Analyze particle models of two gas samples and determine that the samples differ in temperature. 1 59% 70% -11 10 SR PS 6.PS.1.7 Order a set of objects from least to most dense given the mass and volume of the objects. 1 0% 35% -35 11 SR ES 8.ESS.1.1 Interpret a model of the Sun-Earth system to explain the cause of the cyclical pattern of the seasons. 1 59% 65% -6 12 SR PS 8.PS.2.2 Analyze force models to determine whether the speeds of objects are changing. 1 27% 46% -19 13 SR LS 7.LS.2.4 Describe how a change in the amount of Arctic ice in polar regions is most likely to affect a species that lives in these regions. 1 50% 70% -20 14 SR ES 7.ESS.2.4 Interpret a model to determine how energy from the Sun and Earth's gravity affect the cycling of water. 1 64% 77% -13 15 SR PS 7.PS.3.2 Determine which object has the largest potential energy based on the mass and relative position of the objects. 1 9% 44% -35 16 CR LS 8.LS.4.5 Describe one advantage and one disadvantage of selecting traits artificially in a species. 2 25% 38% -13 17 SR LS 7.LS.2.2 Identify a factor that can limit competition between different species living in the same area. 1 77% 84% -7 18 SR LS 6.LS.1.2 Use a model to determine the part of a plant cell that produces sugars. 1 50% 52% -2 19 SR PS 7.PS.3.6 Identify an example of heat being transferred by conduction. 1 23% 54% -31 20 SR ES 8.ESS.2.5 Determine why air on Earth circulates between the equator and the poles. 1 50% 50% 0 21 SR ES 6.ESS.1.5 Determine the size of the Sun relative to the planets in our solar system. 1 82% 84% -2 22 SR TE 6.ETS.2.3 Select the appropriate safety equipment and tools needed to construct a prototype. 1 64% 68% -4 23 SR PS 7.PS.2.3 Compare the strengths of the electric forces between pairs of charges. 1 55% 75% -20 24 SR LS 6.LS.1.3 Determine the body system that directly controls when muscles contract. 1 50% 54% -4 25 SR TE 7.ETS.3.3 Determine whether parts of a vehicle are structural, propulsion, or control subsystems. 1 68% 66% 2 26 SR PS 6.PS.1.8 Determine the next step in a procedure for separating a mixture, and identify evidence that shows a substance is a mixture. 2 34% 62% -28 27 CR ES 8.ESS.1.2 Complete a model to show the force that keeps a planet in orbit around a star, and identify that force. 2 70% 69% 1 28 SR TE 7.ETS.3.5 Classify part of a transportation system according to the universal systems model. 1 50% 49% 1 29 SR ES 6.ESS.1.4 Analyze a diagram to determine the youngest rock layer that was present when a fault formed. 1 50% 32% 18 30 SR ES 8.ESS.3.5 Analyze a graph to determine a result of changes in atmospheric carbon dioxide levels over time. 1 64% 54% 10 31 SR LS 8.LS.1.5 Determine that genetic differences in individuals of the same species result in different traits. 1 64% 72% -8 32 SR LS 7.LS.2.2 Determine the relationship between a plant and an insect and describe that relationship. 1 86% 84% 2 33 SR LS 7.LS.1.4 Describe how attracting insects can increase the probability of a plant reproducing. 1 82% 69% 13 34 SR LS 8.LS.3.2 Select an advantage of a plant reproducing sexually and an advantage of a plant reproducing asexually. 1 36% 67% -31 35 CR LS 6.LS.4.1 Analyze fossil record data to describe fossils found in different time periods, and describe evidence that could show a relationship between certain plants and insects. 3 14% 27% -13 36 SR ES 7.ESS.2.2 Determine that an area in New England was once covered by glaciers based on a description of the area. 1 23% 43% -20 37 CR PS 6.PS.1.6 Analyze the results of an investigation to determine whether a reaction was endothermic or exothermic, and show how the results should be organized in a lab notebook. 3 32% 43% -11 38 SR ES 6.ESS.1.1 Determine the cause of the Moon's phases, and identify what occurs during one cycle of the Moon's phases. 2 61% 59% 2 39 SR TE 6.ETS.2.1 Identify an important property of a material for a given design task. 1 36% 59% -23 40 SR TE 6.ETS.1.5 Use an appropriate ruler to determine the scale of a drawing. 1 59% 65% -6 41 SR TE 7.ETS.3.1 Determine why part of a communication system is considered a decoder. 1 55% 46% 9