Fact 1: An automobile engine transforms chemical energy into mechanical energy. Fact 2: Gasoline is a mix of hundreds of chemicals. Given the two facts above, what do cars use for energy?
OPTIONS:
- engines
- Energy.
- heat
- Gasoline
- energy
- fossil fuels
- coal
- photons
Gasoline
--
Fact 1: Soil can be depleted of nutrients. Fact 2: Potassium carbonate is a valuable nutrient for plants. Given the two facts above, soil can be depleted of which of the following?
OPTIONS:
- Potassium carbonate
- Chlorophyll
- neon
- sedimentary rocks
- carbon monoxide
- helium
- Organic compounds
- vegetation
Potassium carbonate
--
Fact 1: If an object is kicked then force is exerted on that object. Fact 2: Acceleration of an object is proportional to the force acting on that object. Given the two facts above, if an object is what then it will experience acceleration?
OPTIONS:
- kinetic
- illuminated
- bent
- speed
- resting
- motion
- stationary
- kicked
kicked
--
Fact 1: Lung cancer is most often caused by exposure to tobacco smoke. Fact 2: Tobacco is smoked in pipes or in cigarettes or bidis. Given the two facts above, what is lung cancer most often caused by?
OPTIONS:
- the Moon
- Pollution
- sunlight
- Chemical energy
- fossil fuels
- cigarettes
- burning
- marijuana smoke
cigarettes
--