- You find an empty ice cube tray - You fill the tray with warm water - You carefully place the tray on an even surface in a freezer that is at least 32 degree Farhenheit, the freezing point of water - The water begins to get colder until it starts to freeze solid - The water expands as it freezes, one of the few liquids that has greater volume as a solid What might be the last step of the process?
Ans: Because you used warm water, the gasses in the water had evaporated out, so you will have nice clear ice cubes without cracks from the trapped gasses

- Food is put into mouth - Food is chewed and mixed with saliva (spit) - Food travels down the esophagus (throat) - Food travels into the stomach - Acid in the stomach breaks the food down further - Food travels into the small intestine - Nutrients from food are absorbed into the blood stream - Food travels into the large intestine - Most of the remaining material is now waste What might be the last step of the process?
Ans: The waste is eventually removed from the body.

- Food - Water enter the body - Bloodstream - Food and water enter the pancreas - The pancreas breaks down carbs What might be the last step of the process?
Ans: Helps digest other foods and liquids.

- Batteries are put in a flashlight - The flashlight is turned on - Two contact strips touch one another - A circuit is completed between the batteries and the lamp - The lamp in the flashlight begins to glow - The reflector in the flashlight directs the lamp's beam - A straight beam of light is generated - The flashlight is turned off - The circuit is broken What might be the last step of the process?
Ans: The beam is no longer visible.