The basic unit of life.
cell
"The layer of Earth we live on."
the crust
"The force that pulls objects toward Earth."
gravity
"The star at the center of our solar system."
the Sun
"The table that organizes all elements."
periodic table
''The process plants use to make food using sunlight''
photosynthesis
"The hottest layer of the Earth."
the inner core
"Matter is made of these tiny particles."
atoms
"Our home planet."
Earth
"H₂O is the chemical formula for this substance."
water
"The part of the cell that contains DNA."
the nucleus
"Rocks formed from cooled lava or magma."
igneous rocks
"A push or a pull."
a force
"The galaxy we live in."
Milky Way Galaxy
"A substance made of two or more elements chemically combined."
a compound
"Organisms that have no nucleus."
prokaryotes
"The movement of Earth’s plates"
plate tectonics
"Energy of motion."
kinetic energy
"A giant ball of gas that produces light and heat."
a star
"The smallest particle of a compound."
a molecule
"The molecule that carries genetic information."
DNA
"When two plates slide past each other, they cause these events."
earthquakes and fracture the Earth's crust
"The smallest unit of an element that still has its properties."
an atom
"The force that keeps planets in orbit."
gravity
"The number of protons in an atom determines this."
atomic number