Before you create a hypothesis, what do you do in the scientific method?
make observations
What overall charge does soil have?
it has a negative charge
Where does most of the oil pollution come from?
What management system is challenging because there are so many opinions about what to change
Ecosystem based management
What variable changes, in an experiment, and produces different results?
Independent variable
What are the effects of salinization on germinating plants?
they don't germinate OR their sprouts are shorter
What do algal blooms cause?
Hypoxia
When is population growth most rapid?
When an organism is medium sized
What are two things you might do after you get results and make conclusions?
Publish or ask a new qustion
What can we say about adhesion water?
It adheres to soil and and is not available to plants
Where does nonpoint source pollution end up?
rivers, streams, oceans
What is the biggest threat to fertile soil
intensive farming
What is the best way to demonstrate your findings and results in an experiment?
graph or chart
What are two things that happen to solids in a septic systerm?
They are filtered out, they are dried out and used as fertilizer, They are transported to the dump
What are four natural resources we have?
water, sunlight, forests, topsoil