When a medical technician analyzes human body fluids such as blood, which safety precaution would NOT be necessary: A- Protective Gloves B-Goggles C-Closed toed shoes D- Lead lined apron
D- Lead lined apron
100
A substance that pollutes something, esp. water or the atmosphere is called a _______________
pollutant
100
Chromosomes are long ________ molecules
DNA
100
________ energy is the part of the total potential energy and kinetic energy of an object or sample of matter that results in the system temperature.
Thermal
100
This word means "not helping or supporting either side in a conflict, disagreement, etc.; impartial.
Neutral
200
What type of energy from the oceans is responsible for weather patterns?
A) Electrical
B) Magnetic
C) Mechanical
D) Thermal
D- Thermal
200
Drinkable water is also known as ___________ water.
potable
200
When gene information gets messed up, it is called a _________ (like a 2 headed turtle).
Mutation
200
______ energy is the energy of motion
Kinetic
200
This word means "a part or element of something larger"
Compoenents
300
What gas does the process of photosynthesis release into the atmosphere?
A) Carbon Dioxide
B) Hydrogen
C) Nitrogen
D) Oxygen
D) Oxygen
300
A body of permeable rock that can contain or transmit groundwater is called
Aquifer
300
In cytokinesis, cell membrane moves inward to create two __________ cells.
daughter
300
A _____ is a system that used reflected radio waves to determine the velocity and location of objects
radar
300
This word means "limitless or endless in space, extent, or size; impossible to measure or calculate."
Infinite
400
Hydroelectric power is considered a clean energy source because it:
A) is available in most areas
B) icnreases amount of power available
C) does not produce the pollutants that burning fossil fuels do
D) requires minimal investment in equipment
C) does not prodcue the pollutants that burning fossil fuels do
400
The change of the physical state of matter from gas phase into liquid phase is called
condensation
400
The four chemicals that make up DNA are?
Adenine, Thymine, Cytosine, Guanine
400
The __________ effect is an observed change in the frequency of a wave when the sorce or observer is moving.
doppler
400
This word means "the action or process of grouping something according to shared qualities or characteristics.
Classification
500
When examing the red shift of galaxies outside our own, every galaxy appears to be moving away from the observer. This observation supports the Big Bang Theory because it indicates that:
A) our galaxy is not moving
B) the universe is expanding
C) most galaxies have the same mass
D) Earth is at the center of the universe
B) The universe is expanding
500
The matching bands of rock on the mid ocean ridge that supports the theory of plate tectonics is called __________ reversals.
The ________ _________ theory is the theory that all matter and energy in the universe was compressed into an extremely small volume that 13-15 billion years ago exploded and began expanding in all directions.
Big Bang
500
This word means "a conclusion reached on the basis of evidence and reasoning."