Basic Chemistry
Which of the following does NOT make up part of an atom?
Protons
Electrons
Neutrons
Photons
Protons
A(n) ____________ is a variable representing the value being manipulated or changed.
independent variable
If a piece of equipment is not working properly, stop,turn it off, and tell
the science instructor.
Terms that refer to the backside of the body include
Dorsal:Posterior
This system regulates growth, reproduction, and nutrient using hormones.
Endocrine
What makes up the nucleus of an atom?
Protons and Neutrons
A testable prediction is a(n)
hypothesis
When you finish working with chemicals, biological specimens, and other lab substances, always
wash your hands thoroughly with soap and water.
Divides the body in two equal but non-identical left and right parts along the midline.
The midsaggital plane
This system includes liver, oral cavity, and esophagus.
digestive
What is responsible for determining what kind of an element an atom is?
The number of protons
What is the standard by which test results can be compared?
control
When using a razor blade or scalpel, always cut material
away from you
1. Physical and chemical changes or reactions that occur within the body are collectively known as
Metabolism
This system includes the lungs, trachea, and bronchial tubes and controls the amount of oxygen that enters our bloodstream
Respiratory
What is responsible for determining the atomic mass of an element?
The mass of the protons + the mass of the neutrons
A factor that does not change when other variables change is a
constant
Approved eye protection devices (such as goggles) are worn in the laboratory
Any time chemicals are used
A section that separates the body in to right and left portions would be the
Sagittal section
This system is in charge of creating white blood cells and support for the body
Skeletal
What kind of bonding is it when two atoms share a pair of electrons?
covalent bonding
Data that agrees or disagrees with a prediction is
evidence
After completing an experiment, all chemical wastes should be
disposed of according to your instructor’s directions
The elbow is ______ to the wrist.
distal
This body system filters the blood and removes wastes or infection using lymphnodes.
Lymphatic