# Littleton Middle School

Districts Schools

# 2022 Item by Item Results for GRADE 08 SCIENCE AND TECH/ENG

## Number of Students Included: 129     Participation Rate = 98%      Test Form: Regular

 Littleton Middle School - GRADE 08 SCIENCE AND TECH/ENG ITEM INFORMATION PERCENT OF SCHOOL'S POSSIBLE POINTS ITEM TYPE REPORTING CATEGORY STANDARD ITEM DESC POSSIBLE POINTS LITTLETON MIDDLE SCHOOL LITTLETON STATE SCHOOL-STATE DIFFERENCE 1 SR ES 6.ESS.1.5 Use a model to order a planet, a solar system, a galaxy, and the universe from smallest to largest. 1 73% 73% 71% 2 2 SR ES 7.ESS.3.2 Interpret a map to determine where an earthquake is most likely to occur. 1 67% 66% 67% 0 3 SR PS 7.PS.2.3 Compare the strengths of the electric forces between charged particles at different distances to determine which two particles have the greatest attractive electric force. 1 67% 66% 49% 18 4 SR ES 8.ESS.1.2 Analyze mass and distance data of planets to determine the planet that has the greatest gravitational force acting on it. 1 60% 60% 64% -4 5 CR PS 7.PS.3.1 Compare the kinetic energy of two students when given their speed and mass and explain the reasoning; identify the graph that shows the relationship between speed and kinetic energy and explain the reasoning. 2 41% 41% 39% 2 6 SR ES 8.ESS.3.5 Interpret a model to show how thermal energy that causes global warming moves through Earth's systems. Identify activities that will reduce greenhouse gas production. 2 72% 72% 59% 13 7 SR TE 7.ETS.3.5 Determine whether parts of a system are inputs, processes, or outputs. 1 68% 67% 50% 18 8 SR TE 7.ETS.3.3 Determine whether parts of a vehicle are structural, propulsion, or control subsystems. 1 60% 60% 54% 6 9 SR TE 6.ETS.2.3 Select the appropriate safety equipment and tools needed to construct a prototype. 1 64% 63% 59% 5 10 SR ES 8.ESS.2.5 Analyze data to determine the causes of a change in weather. 1 65% 64% 59% 6 11 SR PS 7.PS.3.4 Explain how mass affects the amount of heat energy that one object can transfer to another. 1 43% 43% 35% 8 12 SR LS 7.LS.2.2 Analyze a food web to describe how the ecological relationships among organisms influence populations in an ecosystem. 1 81% 80% 73% 8 13 SR LS 7.LS.2.3 Use a food web to determine which organisms in an ecosystem transfer energy from sunlight into food molecules. 1 82% 81% 76% 6 14 SR LS 7.LS.2.4 Determine what data should be collected to study how overfishing one population affects another population. 1 50% 49% 40% 10 15 CR LS 7.LS.2.1 Analyze a food web to describe and explain the ecological relationship between two organisms and explain how changes to the populations of organisms affect the population sizes of other organisms. 3 52% 52% 50% 2 16 SR ES 7.ESS.2.4 Analyze a water cycle model to determine what would cause an increase in evaporation. 1 56% 55% 42% 14 17 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 47% 46% 39% 8 18 SR TE 7.ETS.3.1 Interpret a model of a communication system to determine its source and storage. 2 79% 78% 65% 14 19 SR TE 7.ETS.1.7 Describe the function of a prototype. 1 19% 19% 33% -14 20 SR LS 8.LS.1.7 Describe how digested food molecules are used by a person's body. 1 71% 71% 58% 13 21 SR TE 7.ETS.1.2 Interpret a decision matrix to determine the best design solutions. 1 57% 55% 67% -10 22 SR PS 6.PS.4.2 Determine which model shows how light is transmitted through a material. 1 43% 42% 41% 2 23 SR LS 8.LS.3.4 Complete a model to show the pairs of alleles that code for a trait in an offspring and its parents. 1 47% 48% 44% 3 24 SR TE 6.ETS.1.1 Determine a constraint of a design solution for a manufacturer. 1 81% 80% 75% 6 25 SR TE 6.ETS.1.5 Calculate the length of a scaled drawing and select the correct scaled drawing by measuring its length. 1 55% 55% 45% 10 26 SR TE 6.ETS.2.1 Determine which property of a metal blade allows it to cut other materials. 1 60% 60% 65% -5 27 CR TE 8.ETS.2.5 Identity which manufacturing processes are used to make a product and explain an advantage of using computer-controlled machines for some manufacturing steps. 3 60% 60% 52% 8 28 CR ES 6.ESS.1.4 Identify and explain the relative ages of rock layers, explain how fossils of a species can be found in a different environment from where the species lived, and explain why fossils of a species may be found in only one rock layer. 3 57% 57% 47% 10 29 SR ES 8.ESS.1.1 Complete a model to show the Sun-Earth system and describe the daylight hours in the Southern Hemisphere for a certain month. 2 68% 68% 54% 14 30 SR PS 8.PS.1.1 Compare the properties of two molecules by interpreting models of the molecules. 1 65% 64% 71% -6 31 SR PS 8.PS.2.2 Use information about the motion and speed of an object to determine if the forces on the object are balanced or unbalanced. 1 73% 73% 62% 11 32 SR LS 8.LS.1.5 Analyze data to determine that an environmental factor influenced the growth of organisms. 1 81% 81% 72% 9 33 SR ES 8.ESS.2.1 Use a model to draw a conclusion about oceanic crust near a mid-ocean ridge. 1 60% 60% 60% 0 34 SR PS 6.PS.4.1 Compare wave models and determine which two have the same amplitude. 1 34% 35% 29% 5 35 SR LS 8.LS.3.2 Explain why sexual reproduction helped a species survive an environmental change. 1 53% 52% 39% 14 36 CR LS 8.LS.4.4 Identify whether an inherited trait will increase in a population over time and explain the reasoning. 2 51% 50% 39% 12 37 SR PS 7.PS.3.3 Explain how an insulated cooler can keep its contents cold. 1 34% 33% 31% 3 38 SR LS 6.LS.4.1 Analyze fossil record data to determine how the fossil record changed and explain why the change occurred. 1 67% 67% 56% 11 39 SR PS 6.PS.1.7 Use a data table with mass , volume, and physical state to determine which material has the greatest density. 1 19% 20% 28% -9 40 SR ES 6.ESS.1.1 Describe how Earth would appear from the Moon when Earth is experiencing a lunar eclipse. 1 49% 49% 46% 3 41 SR LS 8.LS.3.3 Explain why different types of cells in an organ can have different functions. 1 41% 41% 35% 6