This is what makes hot air balloons rise
What is helium
This is how long it takes for the Earth to complete one rotation
What is 24 hours
This is where photosynthesis happens
This is how much energy passes on in the 10% rule
What is 10%
This is the atomic number for lead
What is 82
What is a new moon
This is what gives plants their green color
What is chlorophyll
This is the start of every food chain
What is the sun
This is the atomic symbol for tin
What is sn
This is what its called when the moon comes between the Earth and sun
What is a solar eclipse
This is what "food factories" in plants are called
What are chloroplasts
This is who consumes the producers in an ecosystems
What are primary consumers
This is the atomic number for radon
What is 86
This is how long it takes for the Earth to complete on revolution
What is 365.25 days
This is the process plants can do at any time
What is respiration
This is another name for an apex predator
What is a tertiary consumer