understanding science
3 branches of science
What is life, physical, and earth science?
The steps scientists use to ask questions, test ideas, and draw conclusions.
What is the scientific method?
A geographic area on earth that contains ecosystems with similar biotic and abiotic features.
What is a biome?
This type of water ecosystem has very little salt and includes rivers and lakes.
What is a freshwater ecosystem?
The process of one ecological gradually changing into another
Ecological succession
using 1 or more of your senses to gather information and take note of what occurs
What is an Observation?
any factor in an experiment that can have more than one value
What is a variable?
the number of different species in an area
What is biodiversity?
the amount of salt dissolved in water
What is salinty?
The first species that colonizes new or undisturbed land
Pioneer Species
the investigation or exploration of natural events and of the new information that results from those investigations
What is SCIENCE?
Information collected during an experiment, often shown in charts or graphs.
What is data?
the worlds "breadbasket"
What are grasslands?
When streams flow together
What is a river?
new areas of land with little to NO soil
Primary Succession
A logical explanation of an observation that is drawn from prior knowledge or experience.
What is an inference?
writing scientific articles, speaking at a conference, or exchange information on the internet are examples of....
What is communicating results?
Biome near the equator.
What is tropical rain forest?
Where the amount of sunlight depends on the depth
What is the open ocean?
as time passes, more and more soil adds up to the point where water disappears and the area becomes land
Aquatic succession
describes a pattern or event in nature that is always true.
What is scientific law?
The part of an experiment that stays the same to make sure the test is fair.
What are constants
biome containing mostly cone bearing evergreen trees
What is the taiga biome?
regions along coastlineswhere streams or rivers flow into a body of salt water.
What are Estuaries?
the process of a body of water becoming nutrient rich
Eutrophication