Level 1
Give an example of something that is biotic.
The living part of the Earth (animals, plants, microorganisms)
What is the difference between Precision and Accuracy?
Accuracy: how close a measured value is to the actual or true value
Precision: how close the repeated measurements are to one another
What is an environment?
A sum of all the conditions surrounding us that influence life
Based on this reaction:
CH4 + 2O2 -----> ?
The PRODUCT will have how many Hydrogens, Carbons, and Oxygens?
Law of Conservation of Matter!
4 Hydrogens, 1 Carbon, 4 Oxygens
CO2 + 2H2O
What is the Scientific Method in order
Observations and questions
Hypothesis
Collecting data
Interpreting results
Disseminating findings
Lemon Juice has a pH of 2. Is this an acid or a base?
Acid
What is a molecule?
Particles containing more than one atom
What is a theory?
A hypothesis that has been repeatedly tested and confirmed by multiple groups of researchers and is widely accepted
What are the 4 properties of water?
Surface tension
Capillary action
Boiling and Freezing
Dissolving ability
What is ecological footprint?
A measure of how much a person consumes, expressed in area of land.
What is a Controlled experiment?
An experiment conducted in controlled conditions, such as in a laboratory.
What is the difference between mass vs weight?
Weight is dependent on gravity. Mass stays the same
What are 3 types of energy?
Thermal Energy
Mechanical Energy
Chemical Energy
Nuclear Energy
Electrical Energy
Electromagnetic Energy
What is Species Diversity?
The number of species in a region or in a particular type of habitat.
How do you calculate how old a fossil might be?
Carbon dating! Finding the ratio of Carbon12:Carbon14
What is the Atomic Number of an Element
The number of Protons
What is an Isotope?
Atoms of the same element with different numbers of neutrons.
What are greenhouse gases?
Gases in the atmosphere that act like a blanket, trapping heat near Earth’s surface
What is defined as "Stored Energy"
Potential Energy
What are 4 examples of environmental indicators?
1. Biological diversity (biodiversity)
2. Food production
3. Average global surface temperature and carbon dioxide concentrations in the atmosphere
4. Human population
5. Resource depletion
What is the Law of the conservation of matter
Matter cannot be created or destroyed; it can only change form
What is the core (nucleus) of an atom composed of?
protons and neutrons
What is inductive reasoning?
the process of developing general statements from specific facts or examples
What is the 2nd Law of Thermodynamics
Entropy of a system not in equilibrium will increase over time
(Heat is released unless contained.)
What is the full name of this class?
SCI 112 Environmental Science: A Focus on Sustainability