Solar System
All of the planets revolve around this.
The Sun
What is the smallest planet?
Mercury
This is composed of solid nickel and iron
The core
The heaviest part of the earth
the core
The first living things on earth were...
Bacteria
The largest planet
Jupiter
Iron Oxide makes this planet red
Mars
When all of the continents were together in one land mass
Pangea
A land mass surrounded by water
continent
The simplest animals
Poriferans
The planet has the most moons.
Saturn
Which planet rotates sideways?
Uranus
The part of the earth that is made of rock
the lithosphere
All of the elements on the earth came from where?
A star that exploded
invertebrates that sting but shooting stinging cells called nematocysts
Cnidarians
This planet takes 88 days to revolve around the sun.
Mercury
Which planets are known as the gas giants?
Jupiter, Saturn, Neptune, and Uranus
Oceanic crust is composed of this type of rock
Basalt
The time period when the earth was a ball of fire
the Hadean time period
invertebrates with bending legs and an exoskeleton
arthtropods
This planet has very thick yellow clouds.
Venus
This planet has a lithosphere made of rock that moves on top of a semi-solid asthenosphere
Planet Earth
Continental crust is composed of this type of rock
Granite
molten rock that is underground
magma
Animals from phylum Chordata who have warm blood, lay eggs, and evolved from dinosaurs
Birds