Scientific Method
Water and Soil
Pollution
Resources
100

Before you create a hypothesis, what do you do in the scientific method?

make observations

100

What overall charge does soil have?

it has a negative charge

100

Where does most of the oil pollution come from?

seepage off the ocean floor
100

What management system is challenging because there are so many opinions about what to change

Ecosystem based management

200

What variable changes, in an experiment, and produces different results?

Independent variable

200

What are the effects of salinization on germinating plants?

they don't germinate OR their sprouts are shorter

200

What do algal blooms cause?

Hypoxia

200

When is population growth most rapid?

When an organism is medium sized

300

What are two things you might do after you get results and make conclusions?

Publish or ask a new qustion

300

What can we say about adhesion water?

It adheres to soil and and is not available to plants

300

Where does nonpoint source pollution end up?

rivers, streams, oceans

300

What is the biggest threat to fertile soil

intensive farming

400

What is the best way to demonstrate your findings and results in an experiment?

graph or chart

400

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

400

What are four natural resources we have?

water, sunlight, forests, topsoil

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