Environmental Science Midterm

Front

Which word best describes a scientific hypothesis?

Back

testable

Front

At which stage do scientists determine if their hypotheses are supported by data? Options: observing, analyzing data

Back

analyzing data

Front

In an experiment, the condition that is manipulated is the

Back

independent variable.

Front

Which steps are near the beginning of a scientific investigation?

Back

observing and questioning

Front

In an experiment, a scientist adds fertilizer to one pond to compare the algae growth to a pond without fertilizer. The algae growth represents a(n)

Back

dependent variable.

Front

To be accepted as a scientific __________, an idea must explain a phenomenon, make accurate predictions, and have undergone rigorous testing.

Back

theory

Front

Contrast a Theory and a Law.

Back

A theory has been tested many times and similar results occur. A law is ALWAYS true.

Front

Which sphere are humans part of?

Back

biosphere

Front

Which sphere of Earth is made of all the rock above and below Earth's surface?

Back

geosphere

Front

Which sphere consists of the layers of gases surrounding Earth?

Back

atmosphere