Ecosystems
Define biotic / living factors
the living components of an ecosystem, including plants, animals, and microorganisms
What is the name of the chart that organizes all known elements?
The periodic table
How many forms of matter are there? What are their names?
3 forms: solid, liquid, gas
Define abiotic / non living factors
The non-living components of an ecosystem, like sunlight and rocks.
What is a pure substance?
A substance with only one type of element
The state of matter that has no definite shape and no definite volume
Gas
What is the name for the group of organisms that break down dead material?
decomposers
What is a homogeneous mixture?
A combination of two or more substances that are evenly blended together
The property of a material or substance that can be observed without interacting with it
A physical property
What group of organisms create their own food with the use of sunlight?
Producers
Burning something is an example of what type of change?
A chemical change
The type of change that occurs when substances react to form one or more new substances with different properties
chemical change
What is the name of a long-term relationship between two different species?
symbiosis
Which atoms are called "the building blocks of life,"?
Carbon, Oxygen, Hydrogen, Nitrogen, Phosphorus, Sulfur
The smallest unit of matter
An atom