Ecosystems
All the living and nonliving things in an environment that interact.
Ecosystem
The study of earth
Geology
This basic unit of matter is the building block of everything around you.
An atom
A change that produces new substances.
Chemical reaction
Name the two gasses we breathe in and out.
O2 (oxygen) and CO2 (carbon dioxide)
Organisms that get energy by eating other organisms.
Consumer
The theory that Earth’s plates move slowly over time.
Plate tectonics
A chart that organizes all known elements based on their properties.
Periodic Table
These are clues that a chemical reaction has happened—such as color change, gas bubbles, or temperature change.
Signs of a chemical reaction
What is the third planet from the sun?
Earth
This shows all the feeding relationships in an ecosystem.
Food web
The three types of plates (plates moving towards each other, away from each other, slide past each other)
Convergent, divergent, transform
This type of substance is made when two or more elements chemically combine.
Compound (molecule)
This is what we call the starting materials in a chemical reaction.
Reactants
Name the organ responsible for purification of blood
liver
This type of interaction happens when two or more organisms need the same resource, such as food, water, or shelter.
competition
The type of rock that forms under extreme heat and pressure
Metamorphic rocks
This term describes how much mass is packed into a given volume of a substance.
Density
Melting, freezing, dissolving are examples of _______ properties.
Physical
What is the process by which plants convert light energy to food?
Photosynthesis
A type of feeding relationship where one organism benefits and the other is harmed.
parasitism
The soft solid layer of the Earth (like marshmallow)
Asthenosphere
A characteristic of a material that can be observed or measured without changing the substance.
Physical property
The elements in the beginning and end of a reaction are .....
The same elements
What natural event happens when tectonic plates suddenly move?
Earthquake