Testing
What is the definition of Biology?
The study of life
What is Matter
Anything that occupies space and has mass. Comprised of elements
What is a Nucleus
The center of the atom that contains protons and neutrons
What is the definition of basic science and applied science?
Basic Science: Seeks to expand knowledge regardless of the short-term application of that knowledge
Applied Science: Aims to use science to solve immediate problems
What determines how atoms interact?
Valence Electrons
What is the scientific method?
Method of research with defined steps that include experiments and careful observation.
What is pH value
2 8 8
What are the common elements in living things?
- Oxygen
- Carbon
- Hydrogen
- Nitrogen
How are covalent bonds formed?
Electrons are shared
What is a Variable?
Any part of the experiment that can vary or change during the experiment?
What does an Electron do
Can transfer, share, or cause charge disparities between atoms to create bonds
What are the three bonds
Ionic, covalent and hydrogen bonds
What are the three domains of life?
- Bacteria
- Archaea
- Eukarya
How are ionic bonds formed?
Atoms give up or gain electrons
What are the two types of reasoning and their definitions?
Inductive Reasoning: A form of logical thinking that uses related observations to arrive at a general conclusion
Deductive Reasoning: Form of logical thinking that uses a general principle or law to forecast specific results
What are Atoms and what do they consist of
The smallest units of an element that retain all of the properties of that element.
Consists of protons, neutrons, and electrons
Protons 1, Nucleus, 1
Neutron 0, Nucleus, 1
Electron -1, Orbitals, 0
What are the Properties of Life?
- order
- sensitivity
- reproduction
- growth/development
-regulation
-homeostasis
-energy processing
What is stronger covalent or ionic bonds?
Covalent
What is the definition of Descriptive and Hypothesis-based science?
Descriptive: Aims to observe, explore, and discover
Hypothesis-based: Begins with a specific question or problem and a potential answer or solution that one can test
What is a Hydrogen Bond
Allow ions and other polar molecules to dissolve in water
Number of protons = ?
Number of electrons = ?
Number of electrons
Atomic number
- Atoms
- Molecules
- Macromolecules
- Organelles
- Cells
- Tissues
- Organs and organ systems
- Organisms, population, and communities
- Ecosystem
- Biosphere
How is a Polar Covalent Bond formed?
Electrons are unequally shared by the atoms and attracted more to one