Independent Variable Possible Dependent Variables total number of insect bites size of insect bites (mm) Different brands of plant-based repellents color and/or itchiness of insect bites length of time they provide protection (min) Expected Controlled Variables: Electromagnet Example (less complex task) Grade 6 Grade 7 Grade 8 Size of nail Size of nail Size of nail Size of battery Battery voltage Battery voltage Number of times wire is Number of times wire is Number of times wire is wrapped around nail wrapped around nail wrapped around nail How tightly wire is wrapped How tightly wire is wrapped Material nail is made from Material nail is made from Temperature in room Expected Controlled Variables: A consumer reports company testing winter tires scenario (more complex task) Grade 6 Grade 7 Grade 8 Students should be able to Speed before braking Speed before braking recognize at least 5 of 6: Road conditions Road conditions Speed before braking Temperature Weather conditions Road conditions (temperature, sun, etc.) Same car is used Weather conditions Same car is used (weight of (temperature, sun, etc.) car remains constant as car Same car is used is re-fueled each time) Same driver Same driver Same pressure is applied to Same pressure is applied to brake each trial brake each trial Achievement Indicators Guiding Questions: What evidence will I look for to know that learning occurred? What should students demonstrate to show their understanding of the Scientific Process Skill? Use the following set of indicators as a guide to determine whether students have met the corresponding specific outcome. Distinguish between what is tested, what is measured/observed and what is controlled Identify one independent variable and one dependent variable, with other variables controlled in investigations Collect evidence relevant to the relationship of the independent and dependent variable Achievement Rubric
Independent Variable Possible Dependent Variables Different brands of plant-based repellents total number of insect bites size of insect bites (mm) color and/or itchiness of insect bites length of time they provide protection (min) Expected Controlled Variables: Electromagnet Example (less complex task) Grade 6 Grade 7 Grade 8 Size of nail Size of battery Number of times wire is wrapped around nail Size of nail Battery voltage Number of times wire is wrapped around nail How tightly wire is wrapped Material nail is made from Size of nail Battery voltage Number of times wire is wrapped around nail How tightly wire is wrapped Material nail is made from Temperature in room Expected Controlled Variables: A consumer reports company testing winter tires scenario (more complex task) Grade 6 Grade 7 Grade 8 Speed before braking Road conditions Temperature Same car is used Students should be able to recognize at least 5 of 6: Speed before braking Road conditions Weather conditions (temperature, sun, etc.) Same car is used Same driver Same pressure is applied to brake each trial Speed before braking Road conditions Weather conditions (temperature, sun, etc.) Same car is used (weight of car remains constant as car is re-fueled each time) Same driver Same pressure is applied to brake each trial Achievement Indicators Guiding Questions: What evidence will I look for to know that learning occurred? What should students demonstrate to show their understanding of the Scientific Process Skill? Use the following set of indicators as a guide to determine whether students have met the corresponding specific outcome. Distinguish between what is tested, what is measured/observed and what is controlled Identify one independent variable and one dependent variable, with other variables controlled in investigations Collect evidence relevant to the relationship of the independent and dependent variable Achievement Rubric
grade_7_spotlight_on_science_skills__1_.docx