Science Exam 1st Flashcards
Control group
The group that stays the same
Hypothesis
An educated guess
Experimental group
The group that changes and gets the IV
IV
It’s what you make different in the experiment
Dependent variable
What we count or measure. Stays the same
Constants
A factor that is kept the same throughout the experiment
Scientific method steps
First Step:
Problem
Second
Gather information
Third
Form hypothesis
Fourth
Test hypothesis
Fifth
Analyze results
Six
Draw conclusions
A community that has reach a stable stage in succession
Climax community
Normal gradual change in where species lives
Succession
The first animals that arrive in an area
Pioneer species
Make their own food
Producer
Cannot make its own food
Consumer
All organisms in an area of the same kind
Population
Bother species benefit
Mutualism
One benefits, other is harmed
Parasitism
One benefits , one is not harmed
Commensalism
Place where the organism lives
Habitat
How an organism survives
Niche
Anything that restricts the number of individuals in a population
Limiting factor
Organization of levels
Ecosystem
Something that is not living like the sun, temperature, etc
Abiotic factor
Something that is living
Biotic factor
Transfer of nitrogen to the soil, to living things, and back
Nitrogen cycle
Water evaporation process
Water cycle
Carbon molecule that make up living and no living world.
Carbon cycle
What two biomes are in Michigan?
Taiga
Temperate Deciduous Forest
Is wind power bad for the environment?
Nof
Does geothermal energy have an effect on the environment?
No Effect
Is Nuclear Power bad for the environment?
No Effect
How does alternative energy benefit the Earth?
By not burning fossil fuels
What are fossil fuels
Fuels formed in the earths crust over millions of years.
Break Time
5%
Ozone depletion
Lets in UV rays
What 3 things do the symbol of plastic determine?
- what plastic it is
- if they can go into a landfill
- if they can be recycled
Acid precipitation
Bad for environment
Greenhouse effect
The cause for global warming
Primary succession
Starts with nothing
Secondary succession
Starts with animals and plants
What are the words one to five?
Org, pop, com, Eco, biosphere
What tins ozone?
CFCS
What do animal get from their food?
Nitrogen
What is variety in science terms?
Biodiversity
Primary succession
Starts with organisms
What energy source is messes art for all life?
The sun
WhT is a change in an ecosystem if there is a forest fire?
Kills plants/ animals/ habitats
What happens when you move up the food pyramid?
Energy decreases
What do reintroduction programs do?
Increases biodiversity
How can introducing invasive species impact biodiversity?
Eliminate native species
Practice reding graphs
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