|210 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
The diaphragm is a system of muscles that allows ....? - CORRECT ANSWER -
Breathing
A convex mirror ... light waves,
A convex lens ... light waves. - CORRECT ANSWER - Diverges
Converges
The state of matter occurring at lower temperatures is the ... state - CORRECT
ANSWER - Solid
What is the difference bw physical change and chemical change? - CORRECT
ANSWER - A physical change may alter the form, size or shape of matter; a chemical
change alters its molecules.
Put these in order to describe how blood flows from the heart to the body: body, left
atrium, right atrium, right ventricle, left ventricles, lungs - CORRECT ANSWER - Right
atrium, right ventricle, lungs, left atrium, left ventricle, body
An acid gives up _____ charged hydrogen ions when dissolved in water. - CORRECT
ANSWER - positively
When genetic signals in a cell fail to tell it to stop reproducing, the result may be -
CORRECT ANSWER - cancer
A type of matter is classified as an element when _____ - CORRECT ANSWER - It
cannot be separated into different types of matter by ordinary chemical methods
The speed of light in a vacuum is approximately _____ meters per second - CORRECT
ANSWER - 300 million
What is inertia? - CORRECT ANSWER - The tendency of an object to resist a change
in motion
What is a vector quantity? - CORRECT ANSWER - a quantity defined by both
magnitude and direction
, What formula is used to calculate velocity - CORRECT ANSWER - v = d/t, where v =
velocity (a vector quantity), d = displacement (a vector quantity), and t = time
Which two bodily functions are enhanced by calcium? - CORRECT ANSWER - bone
growth, muscle function
The Moon affects which activity on Earth? - CORRECT ANSWER - tides
The asteroid belt closest to the Earth lies between which two planets? - CORRECT
ANSWER - Mars and Jupiter
Define biosphere - CORRECT ANSWER - The biosphere consists of the layers of Earth
(crust, surface, atmosphere) where life naturally occurs.
Why are the four planets closest to the sun called the terrestrial planets - CORRECT
ANSWER - The composition of these planets is similar to that of Earth.
A stationary front produces .. weather - CORRECT ANSWER - cloudy and wet
The Earth is approximately _____ years old. - CORRECT ANSWER - 4.6 billion
What are the five kingdoms of living things? - CORRECT ANSWER - Monera
(sometimes split into Bacteria and Archaea), Protista, Fungi, Plantae, Animalia
Put these classifications in order from broadest to narrowest: class, domain, family,
genus, kingdom, species, order, phylum - CORRECT ANSWER - Domain, Kingdom,
Phylum, Class, Order, Family, Genus, Species
Define biome - CORRECT ANSWER - A biome is a major life zone of interrelated
species bound together by a similar climate and similar plant and animal life.
The genetic material of a eukaryotic cell is contained in its - CORRECT ANSWER -
nucleus
Diploids cells have .. times the number of chromosomes as do haploid cell - CORRECT
ANSWER - Two
How does vaccination (immunization) prevent disease - CORRECT ANSWER - it
causes the immune system to react to a deactivated, weakened, or partial pathogen so
that the immune system will react to future exposure to a similar pathogen
What is a zygote? - CORRECT ANSWER - fertilized egg
1 kilometer is how many times larger than 1 millimeters - CORRECT ANSWER -
1,000,000 times larger