Solar System
The closest planet to the Sun
What is Mercury
The process by which plants convert sunlight into food
What is photosynthesis
The unit of energy that animals get from eating food
What are calories
These kind of animals breath air and give birth to living babies
What are mammals
The four states of matter
What are solid, liquid, gas, and plasma
The planet with the most moons
What is Saturn
The largest organ in the human body
What is the skin
The kind of energy added to water to turn it into steam
What is heat energy
These animals outnumber humans one million two one
What are ants
The center of an atom
What is the Nucleus
The ring of rocks and dust between Mars and Jupiter
What is the asteroid belt
The number of bones in an adult human body
What is 206
The kind of energy an object has when it is lifted high in the air
What is potential energy
The kind of fish that live in sea anemones
The element necessary for fire to burn
What is Oxygen
The last planet in the solar system, technically not a planet
What is Pluto
The scientific term for water falling from the sky in the form of rain, snow, or sleet
What is precipitation
The particle that carries light
What are photons
These ancient plants fossilized and became oil
What are ferns
The chart used to organize the elements
What is the periodic table
The category of planet that Neptune and Uranus are
What are ice giants
The part of the eye that controls how much light enters the eye
What is the pupil
Light frequencies with a higher energy than visible light
What is ultraviolet radiation
What are the platypus and echidna
What is the chemical name for salt
What is NaCL (sodium chloride)