This person discovered how to measure the volume of irregular objects.
Who was Archimedes?
This part of the plants is white.
What is the roots?
This is the hemipsphere North America is on.
What is the Northern Hemispere?
This is where ALL of the energy in any giving ecosystem comes from.
What is the sun?
This molecule is made out of 2 hydrogen atoms and 1 oxygen atom.
What is water?
These are the plants "food workers".
What is chlorophyll?
This is when summer starts for the Northeren Hemisphere.
When is June 21 (Summer Solstice)?
These are the levels in an ecosystem.
What are the tropic levels?
This is oxygen's atomic number.
What is 8?
This is one thing that a plant poduces during repiration.
What is carbon dioxide (or water or energy)?
This is the 4th stage of the moon.
What is Waxing Gibbous?
For each trophic level 10% of the energy will be stored and carried. This rule is called...
What is the 10% rule?
This is the number of elements on the periodic table.
What is 118?
This is the processs when a plant uses carbon dioxide and water to produce sugar and oxygen.
What is photosynthesis?
This is the Earth's movement around the sun.
What is revolution?
This is the tropic level that gets the energy from the decomposers.
What are producers?