You decide to clean your bedroom. you notice that your floor is covered with
clothes. you decide to try to get rid of the clothes by throwing the clothes into the
air. you throw clothes from a 1/3 of the room into the closet and a second 1/3 of
the room straight up in the air. the last 1/3 of the room you leave the clothes on
the floor. after 30 minutes of "cleaning", the floor of the room is now visible.
a. independent variable
b. dependent variable
c. control variable

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.