THE PERIODIC TABLE
Symbolized by H, it is the lightest and most abundant element in the universe.
Hydrogen
This organ pumps oxygenated blood throughout the human body.
heart
Known as the "Red Planet," it is the fourth planet from the Sun.
MARS
Plants use this process to convert light energy into chemical energy.
photosynthesis
These flightless birds are native almost exclusively to the Southern Hemisphere.
penguins
Represented by the symbol Au, this precious metal has been valued since ancient times.
Gold
The largest organ of the human body, it protects internal structures from damage.
SKIN
This gas giant is the largest planet in our solar system.
JUPITER
The green pigment in plants that absorbs light for energy production is called this.
chlorophyl
This blue ocean giant is the largest animal ever known to have existed.
blue whale
Essential for respiration, this element makes up roughly 21% of Earth's atmosphere.
Oxygen
These two spongy organs in the chest are responsible for absorbing oxygen from inhaled air.
LUNGS
: Famous for its prominent ring system, it is the sixth planet from the Sun.
SATURN
These structures anchor a plant in the soil and absorb water and nutrients.
roots
Marsupials raise their young in these specialized body structures.
pouches
Possessing the chemical symbol Fe, this metal is the primary ingredient in steel.
Iron
This longest and strongest bone in the human body is located in the thigh.
FEMUR
This inner planet is both the hottest in our solar system and closest in size to Earth.
VENUS
This plant tissue carries water up from the roots to the leaves.
xylem
The fastest land animal on Earth, capable of reaching speeds over 60 mph.
cheetah
Possessing the symbol W, this transition metal has the highest melting point of all elements in pure form.
Tungsten
Located in the inner ear, these three tiny bones are the malleus, incus, and this third bone.
stapes (or stirrup)
Reclassified in 2006, this body resides in the Kuiper Belt and was once considered the ninth planet.
PLUTO
Trees that shed their leaves annually are known by this term, contrasting with evergreens.
deciduous
These unique Australian mammals, including the platypus and echidna, lay eggs rather than give live birth.
monotremes