General Science Flashcards
Particles that orbit the nucleus of an atom are
Electrons
A genus classification contains several related…
Species
As a human breaths, air is first warmed and filtered in the
Nasal cavity
The process where a solid becomes a gas is called
Sublimation
What is the freezing point for Kelvin?
273 K
The gravitational force the moon exerts on the earth is…
The same as that exerted by the earth on the moon.
Clouds that are thin, high in the atmosphere.
Cirrus
Fossils are found in what kind of rocks?
Sedimentary
What type of star is the sun?
Yellow dwarf
A group of species living in the same region is called…
Population
A boulder begins to roll down a hill is an example of…
Potential to kinetic
The lowest layer of earths atmosphere
Troposphere
According to the law of conservation of energy…
Energy can neither be created nor destroyed
As a ambulance passes, it’s pitch seems to change. This perception is due to…
The Doppler effect
A concave lens is also known as…
Diverging Lens
The smallest particle of a covalent compound that can exist in a free state and still remain the characteristics of that compound is…
Molecule
In a chemical change, the molecules that enter the reaction are called
Reactants
On Fahrenheit thermometer the boing point of water is
212
…carry blood back to the heart from the capillaries
Veins
Blood enters the right atrium of the heart from the
Vena cava
Which of the following organs does the most work when breaking down food?
Small intestine
The most basic unit of inheritance is known as a
Gene
Name a sedimentary rock
Shale
A producer is known as a
Autotroph
What type of rock is a obsidian
Igneous
During a lunar eclipse
The earth lies between the moon and sun.
A centimeter is
One hundredth of a meter
Momentum is
Tendency of an object to keep moving in the same direction.
What color light waves have the highest frequency?
Violet
A major portion of a atoms mass consists of
Neutrons and protons
Table salt is considered a
Ionic compound
Which of the following kingdom consists of bacteria and considered the most primitive?
Monera
Humans belong in the phylum
Chordata
Those trying to reduce the cholesterol levels in their blood should avoid…
Saturated fats
Water at sea level freezes at…
32 F
The period 4.6 billion to 570 million years ago is called the
Precambrian eon
Most absorption of nutrients happens in the
Small intestine
High tide occurs
Twice a day
What type of electromagnetic radiation has the longest wavelengths and lowest frequency?
Radio waves
The ratio by which light is slowed down by a medium is
Refractive index
Members of an order are more alike than members of a
Class
The number of protons in the Nucleus of an atom is its
Atomic number
The system of muscles that allows the lungs to expand and contract is the
Diaphragm
The atom of an element with the atomic number of 17 must have
17 protons
The blood vessel with the LEAST oxygenated blood is the
Pulmonary artery
Salvia in the mouth begins the process of breaking down…
Starch
Which kingdom lack nuclei?
Monera
An atom that is not electrically neutral is called
An ion
Marble is a
Metamorphic rock
What kind of rock is abundant in Hawaii?
Igneous
Which is likely the PH Value of a homemade cleaning solution made of lemon juice and water?
Below a PH of 7
A scientist views a cell through a microscope and sees that the cells has a nucleus in conclusion…
If it is healthy this eukaryotic cell will have ribosomes
Fluorine has an atomic mass of 19 and an atomic number of 9. How many neutrons are in a typical fluorine atom?
10
Which stage of the water cycle has the greatest impact on the water table?
Infiltration
What body in the solar system is know as a ice mud ball?
Comet
Blood flows from what part of the heart to the lungs?
Right ventricle
Waves seen from a hot stove top that make the image distorted is an example of…
Refraction
What kind of rock is from the result of a chemical process?
Quartzite
Falling stars occur in what part of the atmosphere?
Mesosphere
As part of the water cycle, water enters the atmosphere as a gas through..
Transpiration
At its thickest point, the crust of the earth is how deep?
80 KM
The tendency to reflexively startle at a loud noise is controlled in…
The spinal cord
Which kingdom do gymnosperms belong in?
Plantae
Which type of rock are you likely to find a fossil?
Shale
The ozone layer is located in which layer of the atmosphere?
Stratosphere
What order is the pathway of air when a person inhales air into the lungs?
Pharynx, epiglottis, larynx, trachea, bronchi, bronchioles, alveoli
As part of the water cycle, water enters rivers and streams from surrounding land. This process is called…
Runoff
What type of tissue connects muscles to bones?
Tendons