Geology on Mars
a feature that forms on the surface of a planet, such as a mountain, channel, or sand dunef
What is a landform?
the rock type formed when sediment is pressed and glued together
What is sedimentary rock?
a group of atoms joined together in a particular way
What is a molecule?
the tiny pieces that all matter—all the stuff in the world—is made of
What are atoms
a population that eats organisms from another population
What is a consumer population?
a set of interacting parts forming a complex whole
What is a system?
the rock type formed when magma cools and becomes solid
What is igneous rock?
a noticeably different form or state of the same substance
What is a phase?
a process in which atoms rearrange to form new substances
What is a chemical reaction?
all the living and nonliving things interacting in a particular area
What is an ecosystem?
a long, narrow groove that forms where water, lava, or other liquid flows
What is a channel?
the process of rock breaking down into smaller pieces due to wind or moving water
What is weathering?
the way molecules in a substance move around relative to each other
What is freedom of movement?
the temperature at which a substance changes from the liquid phase to the gas phase
What is the boiling point?
a molecule that organisms can use to release the energy they need to survive
What is an energy storage molecule?
the mixture of gases surrounding a planet
What is an atmosphere?
the rock type formed when heat or pressure deep underground changes existing rock
What is metamorphic rock?
a pull between two molecules that is always the same for a substance
What is molecular attraction?
an ending substance that is made during a chemical reaction
What is a product?
a model that shows what eats what in an ecosystem
What is a food web?
an event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
What is a geologic process?
the process by which rock material moves under Earth's outer layer and into the mantle due to plate motion
What is subduction?
the energy that an object has because it is moving
What is kinetic energy?
something that can be observed about a substance, such as color, smell, or boiling point
What is a property?
the result of one cause leading to an effect that causes one or more other effects
What is an indirect effect?