- Your tongue helps out, pushing the food around while you chew with your teeth - The esophagus moves food from the back of your throat to your stomach - Strong muscles in the walls of the stomach and gastric juices break down food in your stomach - Your stomach moves the food into the intestines to complete digestion - What might be the first step of the process?
Ans: The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow

- The coal is broken down to a smaller material - The coal particles mix with hot air and move in to a boiler - Water in the boiler is pumped and produces steam with the coal - Steam powers turbine blades, which magnetically charge wire coals - The water returns back in to its chamber and the process is repeated - What might be the first step of the process?
Ans: A type of coal must be chosen before the heating can start

- The person's blood sugar level rises - The pancreas receives a signal to release insulin - Insulin is released into the bloodstream - Insulin signals cells to absorb sugar - The cells absorb sugar from the bloodstream - The cells use the sugar as energy. What might be the first step of the process?
Ans: A person eats food

- The wind and water pick up sediment that came off the rocks - Sediment is carried to an area by the wind, water, air, or ice - Sediment is deposited on the same spot many times - The sediment piles on top of other sediment for a long time - The sediment near the bottom is compressed by the weight of newer sediment - The sediment becomes sedimentary rock as it is pushed together by the heavy weight - What might be the first step of the process?
Ans: Wind and water erode rocks