CORRECT DETAILED ANSWERS A+ ALREADY
GRADED
The diaphragm is a system of muscles that allows ....? - correct answers-Breathing
A convex mirror ... light waves,
A convex lens ... light waves. - correct answers-Diverges
Converges
The state of matter occurring at lower temperatures is the ... state - correct answers-Solid
What is the difference bw physical change and chemical change? - correct answers-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 answers-Right atrium, right ventricle, lungs, left
atrium, left ventricle, body
An acid gives up _____ charged hydrogen ions when dissolved in water. - correct answers-positively
When genetic signals in a cell fail to tell it to stop reproducing, the result may be - correct answers-
cancer
A type of matter is classified as an element when _____ - correct answers-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 answers-300 million
What is inertia? - correct answers-The tendency of an object to resist a change in motion
What is a vector quantity? - correct answers-a quantity defined by both magnitude and direction
What formula is used to calculate velocity - correct answers-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 answers-bone growth, muscle function
The Moon affects which activity on Earth? - correct answers-tides
The asteroid belt closest to the Earth lies between which two planets? - correct answers-Mars and
Jupiter
Define biosphere - correct answers-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 answers-The
composition of these planets is similar to that of Earth.
A stationary front produces .. weather - correct answers-cloudy and wet
The Earth is approximately _____ years old. - correct answers-4.6 billion
What are the five kingdoms of living things? - correct answers-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 answers-Domain, Kingdom, Phylum, Class, Order, Family, Genus,
Species
Define biome - correct answers-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 answers-nucleus
Diploids cells have .. times the number of chromosomes as do haploid cell - correct answers-Two
How does vaccination (immunization) prevent disease - correct answers-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 answers-fertilized egg
1 kilometer is how many times larger than 1 millimeters - correct answers-1,000,000 times larger
Ova are carried from ovaries to the uterus through the _________. - correct answers-fallopian tubes
The .. is the major connecting center between the brain and the nerve network - correct answers-spinal
cord
What is another name for large intestines - correct answers-colon
A magnetic compass' .. pole points to the Earth's North Pole - correct answers-South
What does a positive or negative sign in a blood type indicate - correct answers-Rh factor
The aorta is the largest .. in the body - correct answers-artery
The respiratory system enables blood cells to absorb.. and eliminate.. and water vapor - correct
answers-oxygen and carbon dioxide
Bananas are a source of which important mineral? - correct answers-Potassium
What is a unique feature of vitamin D - correct answers-One of its best sources comes not from diet but
from the Sun. The skin generates vitamin D in response to ultraviolet rays.
In chms rxn, the molecule and atoms entering the rxn are called .., and those resulting from the rxn are
called.. - correct answers-Reactants; products