The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment. The dependent variable is 'dependent' on the independent variable. As the experimenter changes the independent variable, the effect on the dependent variable is observed and recorded. For example, a scientist wants to see if the brightness of light has any effect on a moth being attracted to the light.
1 Remove ribs from refrigerator and start Traeger grill on smoke for 10 minutes. 2  Put ribs on grill and cook on smoke for 1 hour. 3  Change heat setting to 225-250 and cook for another 2 hours.4  Spray ribs with apple juice and cover with aluminum foil tightly and cook at 250-275 for another hour. Put ribs on grill and cook on smoke for 1 hour. 2  Change heat setting to 225-250 and cook for another 2 hours. 3  Spray ribs with apple juice and cover with aluminum foil tightly and cook at 250-275 for another hour.
1 When cooking ribs in the oven, place ribs on rack of a broiler pan. 2  Brush with KRAFT or BULLâS-EYE Barbecue Sauce, then bake at 350Â°F for 1 hour 15 min. or until ribs are done, turning and brushing occasionally with additional barbecue sauce. 3  Ribs are not just for grilling.ow to grill ribs. 1  When grilling ribs, think âlow and slow!â Grill ribs slowly on medium heat to avoid burning and to help keep them tender. 2  When grilling ribs, plan on a cooking time of 1 hour to 1 hour 30 min., depending on the size and type of ribs used.