Environmental Science End of Semester Examination

What is the primary goal of environmental science?

• To study the behavior of subatomic particles.

• To understand the interactions between organisms and their environment.

• To explore the history of human civilizations.

• To develop new technologies for space exploration.

What is the correct order of the steps in the scientific method?

• Hypothesis, Observation, Experiment, Conclusion, Analysis.

• Observation, Hypothesis, Experiment, Analysis, Conclusion.

• Experiment, Hypothesis, Analysis, Conclusion, Observation.

• Hypothesis, Experiment, Observation, Analysis, Conclusion.

What is the purpose of providing evidence in the scientific process?

• To make the experiment longer

• To support or refute a claim

• For spice up scientific debates

• To follow a trend

Which metric unit would you use to measure the length of a football field?

• Centimeters

• Millimeters

• Meters

• Kilometers

What is the independent variable in an experiment?

• The variable being measured.

• The variable that is manipulated.

• The constant factor.

• The variable that remains constant.

What is the purpose of a control group in an experiment?

• To introduce variability

• To compare the results with an experimental group

• To manipulate the independent variable

• To ensure that the experiment is not conducted

Which terrestrial biome is characterized by its cold temperatures, permafrost, and low-growing vegetation?

• Tropical Rainforest

• Tundra

• Grassland

• Desert

What type of vegetation is typical in a temperate deciduous forest biome?

• Evergreen trees

• Coniferous trees

• Broadleaf deciduous trees

• Cacti

What ecosystem service is provided by forests in terms of air quality?

• Carbon sequestration

• Water purification

• Soil fertility

• Pollination

How do grasslands contribute to the prevention of soil erosion?

• By promoting the growth of large trees

• By having a dense layer of grass roots

• By reducing precipitation

• By increasing wind speed