What do all the tables have in common? Opinions • Anthracite coal is much better than bituminous coal.
• Mercury's orbit is the most fascinating of the rocky planets in the solar system.
• People should pay closer attention to global climate change.
facts
• Jupiter rotates on its axis every 9 hours and 56 minutes.
• Pressure decreases as you move upward in the atmosphere.
• Water expands when frozen.
• Continental drift and seafloor spreading are caused by the motion of tectonic plates that move around relative to one
another.
The entire universe arose from a single hot, denswpoint that began rapidly expanding approximately 13.7 billion years ago.
• Organisms have changed and diversified over time because of shifting frequencies of heritable traits by means of natural
selection.
theories
laws
• For any closed system, the mass of the system must remain constant over time.
• The attractive force between two objects is directly proportional to the product of their masses and inversely proportional to
the square of the distance between them.
• In an undisturbed layered rock formation, every layer is younger than the one below it and older than the one above it.