*Question*
If coal can be used for cooking food, then food can be cooked using what? Answer choices: - lipids - energy - corn - fats - sugar - rice - Coal - oil
**Answer**
Coal

*Question*
If force on the pedals of a bike cause that bike to move, then what on the pedals of a bike cause that bike to move? Answer choices: - force - heat - nothing - a lack of energy - zero energy - muscles - speed - motion
**Answer**
force

*Question*
If most canyons are formed by flowing water, then what are most canyons caused by? Answer choices: - erosion - Physical weathering - magic - Freezing temperature - Flowing water - ice wedging - Flowing gas - flooding
**Answer**
Flowing water

*Question*
If mines produce coal, then what produces coal? Answer choices: - mines - tar - energy - copper - cars - state - Oak - fire
**Answer**
mines