(4th Quarter) FINALS REVIEWER Flashcards
The term science comes from the Latin word “scientia” which means _______.
To know
Refers to the application of scientific knowledge to practical purposes
Technology
The term technology was derived from which Latin word?
Techne
Extensive science research and investigation have led to the invention or development of technologies. The following are scientific technologies EXCEPT?
Computer Tech
What do you call the individuals who conduct investigations and formulate/apply theories, principles and laws of natural sciences?
Scientists
Refers to an organized body of knowledge gained from careful study, observation or experimentation
Science
What is the scientific basis of putting fruits in a rice bin in order for fruits to ripen easily?
The rice bin acts as a constant temperature storage, so that enzymes in the fruit will speed up the process
The following are advancements in Science and Technology that will benefit most people EXCEPT?
Costly antibiotics to minimize illnesses
Reine is a student who does not only ask why and how things happen but tries to find answers to his questions by conducting research and experiment. What scientific attitude does Reine have?
Curiousity
Which of the following refers to a process used to find answers to questions about things around us?
Scientific Investigation
Sophia was given a solution containing water and salt. She was instructed to evaporate the water to obtain the salt alone. What apparatus does she need to use for evaporation?
Evaporating dish
If you are given a mixture of water and chalk powder. Which of the following you must use to separate the liquid water from the solid chalk particles?
Glass funnel
It is an instrument that can enlarge or magnify the image of microscopic organisms
Microscope
These parts provide light to the microscope
Illuminating parts
These parts make the object look larger
Magnifying parts
These are parts that support the microscope and the object being examined
Mechanical parts
It is used for collecting and reflecting light
Mirror
What is the total magnification of a 10x eyepiece and a 4x objective lens?
40x
It is the curved handle of the microscope
Arm
It is like a horseshoe which is a stable structure that supports that entire microscope
Base
This is the platform on which the specimen slide is held in place using the stage clips
Disc diaphragm
Which of the following is NOT true about the proper use of the microscope?
Don’t use the stage clips so the slide will not break
The following should be observed before returning the microscope after use, EXCEPT?
The microscope is inclined
A detachable cylinder located on the top of the draw tube for you to view the specimen
Ocular and Eyepiece
These are lenses that are usually attached to the revolving nose piece
Objectives
It has a low magnifying power for observing the general outline of the specimen
LPO
What is the color band of the Scanner objective?
Red
What is the color band of the Low power objective?
Yellow
What is the color band of the High power objective?
Blue
What is the magnifying power of the eyepiece/ocular lens?
10x
What is the magnifying power of the scanner objective?
4x
What is the magnifying power of the HPO lens?
40x
What is the magnifying power of the LPO lens?
10x
Which of the following is to be multiplied in solving for the Total Magnification of the lenses used?
Eyepiece x Objective Lens
Which of the following is NOT true about plants and animal cells?
Have cell wall
The following are found in plant cells EXCEPT?
Centrioles
The following are found in animal cells EXCEPT?
Cell wall
All cell have these three main parts EXCEPT?
Cell wall
Which of the following is TRUE about the nucleus?
The control center of the cell
These are tiny structures that assemble amino acid and makes proteins
Ribosomes
The powerhouse of the cell that produces energy molecules
Mitochondrion
The energy molecule produced by the mitochondrion
ATP
These are green structures that capture sunlight and used it for Photosynthesis
Chloroplasts
Which is the correct arrangement of the levels of biological organization from smallest to largest?
Cell-tissue-organ-organ system-organism
It refers to anything that occupies space and has mass
Matter
It refers to the systematic arrangement of elements based on their atomic number and properties
Periodic Table
It refers to a pure substance made up of one kind of atom
Element
These are pure substances that are made up of two or more kinds of atoms
Compound
These are mixtures of metal and one or more elements
Alloys
A type of element that is shiny, dense, ductile and malleable
Metals
A type of element that is brittle, dull, poor conductor of heat and electricity
Non-metals
These are horizontal rows in the periodic table
Periods
These are vertical columns in the periodic table
Groups
How many elements are there in the Periodic Table?
118
This is the location of the metalloids or semi-metals in the periodic table
Stair-step line
This is the location of all metals in the periodic table
Left side
What element has the symbol Au?
Gold
What element has the symbol Zn?
Zinc
Which is TRUE about the properties of Metals?
They are located in the Left side of the Periodic Table
It refers to the measurement of a push or pull
Force
The following are examples of a Vector quantity EXCEPT?
60 kg
It refers to the physical quantity with both magnitude and direction
Vector
The following are examples of a Scalar quantity EXCEPT?
30 meters, East
It refers to the continuous change in position with respect to the point of reference
Motion
It is a measure of how fast/slow an object travels in a given amount of distance and time
Speed
It is the length of path travelled/covered by an object
Distance
A person with a mass of 75 kg is accelerated to 3 m/s2. How much force was applied to him?
225 N
It refers to a physical disturbance that travels from one location to another
Wave
It refers to any substance or material that can carry a wave
Medium
Which of the following is an example of a medium?
Solid, Liquid, Gas
These are waves that do NOT require a medium for their propagation
Electromagnetic
Which of the following is TRUE about waves and energy?
Waves are carried by a medium and energy is transferred
