Here's a logic test: I bought some smooth plastic furniture movers which let me push heavy furniture across my carpet on my own. I got tired of asking for help to rearrange the furniture, as before I bought these I couldn't do it alone. This was because the furniture movers (A) increased friction or (B) decreased friction?  Choose the answer between "furniture movers on carpet" and "furniture on carpet".
furniture on carpet
------
Here's a logic test: Carter rolls a ball across some ice and the ball quickly rolls ten feet forward. He then rolls the ball across the grass and the ball rolls four feet forward. The grass has (A) more friction (B) less friction.  Choose the answer between "ice" and "grass".
ice
------
Here's a logic test: Ross made everyone laugh when he slid across the wood floor in his socks. He tried doing it at his friends on a carpeted floor. He barely went an inch on the carpet, while he went feet on the wood floor. Ross would be making less heat against the (A) wood floor (B) carpet.  Choose the answer between "wood floor" and "carpet".
wood floor
------
Here's a logic test: Miranda is tossing around a ball with her friend Melanie. Melanie is a professional ball player, but Miranda is not. The ball goes further when thrown by (A) Miranda (B) Melanie  Choose the answer between "Melanie" and "Miranda".
Miranda
------