Fill in the Blank
In the carbon and oxygen cycles, what happens during cellular respiration?
Cellular respiration uses oxygen to break down sugar into usable energy.
In the seasonal, water, carbon, oxygen, and nitrogen cycles, the steps repeat because:
each step happens regularly and in a circular pattern
In the carbon and oxygen cycles, what happens during photosynthesis?
Photosynthesis uses water, carbon dioxide, and the sun’s energy to produce oxygen and sugar.
The earth has regular cycles of change because ?
God uses them to maintain Earth
In the water cycle, what states of matter can water be found in?
solid, liquid, and gas
Some areas have summer and winter, which
differ in their average temperature.
What is the Earth system called that includes all of Earth’s water?
hydrosphere
Monsoons affect the seasons in some areas because…
the winds change direction with the seasons.
What is a nutrient called that is used to build structures in organisms?
protein
Decomposers are part of the cycles of matter and change because…
they release carbon dioxide and nitrogen gas into the atmosphere.