Física
Cinemática, análisis de fuerzas, electricidad y razonamiento con ecuaciones.
-
which gang activity leads to legal consequences? dropping out of colleg…
assaulting people with or without deadly force
-
select the correct answer from each drop - down menu. the velocity, v, …
25
-
which emotion is opposite of the other three? ◯ enojado ◯ enfadada ◯ co…
contenta
-
what would happen if you set a micropipette outside its designated volu…
B. It would lead to inaccurate volume measurements, C. It would damage or contaminate the micropipette
-
what is the unit of volume that the micropipettes described in this lab…
d. Microliters
-
what is the purpose of using a disposable tip on the micropipette? ○ a.…
d. The disposable tip ensures that no liquid gets into the shaft of the micropipette.
-
25. the gravitational force of attraction between the sun and an astero…
B. \(4.08\times 10^{9}\space kg\)
-
a 28. a satellite orbits the earth with a speed of 5.2×10³ m/s. what is…
B. \(1.5\times10^{7}\space m\)
-
animals produce a substance called insulin, which helps them maintain h…
homeostasis
-
work is when an object moves a distance due to a specific force. in ord…
300 N•m
-
newtons 2nd law of motion is also called the law of acceleration. this …
changing your force to accelerate a baseball different speeds
-
what is an example of rotary motion? the wheels of a skateboard rolling…
The wheels of a skateboard rolling
-
on monday morning, you are sleeping in your bed, when your mom asks you…
Inertia
-
if a pair of forces are unbalanced, the motion of that object will ____…
be changed
-
transparent objects are objects that allow all light to pass through. e…
B. a basketball
-
which of the following is the source of light that illuminates the moon…
The sun illuminates the moon.
-
what does the electromagnetic spectrum represent? the scale of the spee…
the full range of electromagnetic energies in order
-
sound waves belong to a group called mechanical waves - specifically, l…
solid
-
waves have different ways of moving. one type, called longitudinal wave…
C. Mechanical
-
which of the following is true about amplitude? the larger the amplitud…
The larger the amplitude, the more the energy that is carried by the wave.
-
a circuit is a path that allows electrons to flow. below is an example …
Only lightbulb C turns off.
-
in a circuit, what should the wire be crafted from? an insulator, such …
B. a conductor, such as copper
-
which is the best definition of electric charge? it is a force of attra…
It is the flow of electrons that have a negative charge to protons that have a positive charge.
-
which of the following is not magnetic? cobalt nickel iron copper
Copper is not magnetic.
-
what does convection require that is not required by other forms of hea…
It requires moving gas or liquid to transfer heat.
-
which theory directly contradicts the concept of absolute zero? matter …
Kinetic Theory
-
what could we do to destroy energy? reduce the output of power plants n…
B. nothing
-
the law of conservation of mass states that matter cannot be created or…
Nothing, the mass is the same.
-
the velocity of an object in meters per second varies directly with tim…
\(9.8\frac{m}{s^{2}}\) (the second option)
-
which best describes how the great migration affected northern cities? …
C. Northern cities grew more diverse as African Americans shared their culture.
-
why does ice float when it is placed in liquid water? because the densi…
because the density of ice is less than water
-
mass is the amount of matter in an object. mass is measured in grams. m…
Mass is the amount of matter in an object.
-
is anything that has mass and takes up space. is the amount of matter i…
A. A baseball
-
natural resources are resources that are drawn from the earth. some nat…
Water
-
lo 2.5. what is the role of neutrophils in the immune system? they are …
They are the first line of defense against bacterial infections.
-
newtons 2nd law of motion is also called the law of acceleration. this …
The force required will decrease.
-
lo 2.4. what are the lymphatic organs? the gallbladder, appendix, and b…
The spleen, thymus, and tonsils
-
motion is a change in position over time. there are 3 ways to measure m…
Making a sharp turn while driving a car
-
a friend is coming to your house. you give her the following directions…
Reference point
-
lo 2.4. what is the lymphatic system? a system that helps maintain flui…
A system that helps maintain fluid balance and protect against infections and diseases
-
what is the definition of inertia? the tendency of heat to rise due to …
The tendency of an object to resist a change in motion
-
objects with more mass have a stronger gravitational force. earth has a…
C. Gravity
-
friction is a force that opposes the motion of an object. friction prod…
Static friction
-
this image displays a pair of ______ forces. unbalanced balanced pullin…
unbalanced
-
lo 2.3. why is it important to monitor cbc results over time? to diagno…
To track changes in a patient's health status.
-
this image displays a pair of forces. unbalanced balanced pulling
unbalanced
-
permeable means things are stuck things can pass through the concentrat…
things can pass through
-
lo 2.3. what is a complete blood count (cbc)? a test to measure cholest…
A common blood test used to evaluate overall health status.
-
lo 2.2. what are the four blood types in the abo system? b, a, ab, o+ a…
A, B, AB, O
-
in a game of tug - of - war when are the forces balanced? when one pers…
when the rope does not move
-
lo 2.2. what is the most important blood typing system? li blood group …
ABO blood group system
-
a window that hasnt been cleaned in a while is hard to see through clea…
translucent
-
lo 2.2. how many main blood types are there? 4 9 3 8 5
8
-
why do you see objects when you shine a flashlight in a dark room? the …
The objects you see are illuminated.
-
which wave on the electromagnetic spectrum has the longest wavelength? …
Radio
-
11. thomas pushes a 250 - n box across a wooden floor using 75 n of for…
\(150\space N\)
-
how do we measure the amplitude of a wave? from the resting position to…
from the resting position to top or resting position to bottom
-
4) a hospital in vienna noted that many of their female patients were d…
- 4) c) patients treated by doctors who did not wash their hands would get fever - 5) a) bacteria exposed to mold would be destroyed - 6) c) microbes from sick sheep could make mi…
-
practice it lo 1.3. what is the importance of identifying endocrine gla…
Gaining a deeper understanding of the body’s regulatory system and the important role that endocrine glands play in maintaining homeostasis.
-
practice it lo 1.3. what is the function of the cortex in the adrenal g…
Producing hormones that regulate salt and water balance in the body
-
lo 1.3. name three well - known endocrine glands. liver, gallbladder, a…
Pituitary gland, thyroid gland, and adrenal glands
-
lo 1.3. what does the pancreas produce? histamine to aid in an immune r…
Insulin to regulate blood sugar levels.
-
lo 1.2. what is the role of insulin and glucagon? control body temperat…
Regulate blood sugar levels
-
practice it lo 1.2. what are thyroid hormones? hormones produced by the…
Hormones produced by the thyroid gland that regulate metabolism, growth, and development
-
lo 1.2. what is adrenaline? hormone responsible for vision hormone resp…
Hormone responsible for 'fight or flight' response
-
practice it lo 1.1. what is the role of the hypothalamus in the endocri…
Regulate the endocrine system by releasing hormones that stimulate or inhibit the production of other hormones by the pituitary gland.
-
select the best evidence to support the statement \the narrator believe…
The evidence “a young person who is always sensible is to be suspected and is of little worth—that's my opinion!” supports the statement.
-
practice it lo 1.1. what is cortisol? a neurotransmitter released by th…
A hormone released by the adrenal glands in response to stress.
-
select the best evidence to support the statement \there has been a lar…
The data showing an average of 21 earthquakes of magnitude three and larger in 1973 - 2008, 99 per year in 2009 - 2013, and 659 in 2014.
-
how did satellites impact scientific understanding of space during the …
Satellites provided high resolution photos that helped scientists research the origins of the universe.
-
by june of 1940, hitler had already done which of the following? select…
He had conquered Norway; He had invaded the Netherlands; He had pushed Allied forces out of France
-
select the best evidence to support the statement \the narrators father…
The tiny share we have of time appalls me, though my father seems to regard it with tranquillity.
-
fill in the blank(s) with the correct answer for 6 - 9. 6. floods can d…
6. erosion and deposition 7. precipitation 8. mudslides (or landslides) 9. seismograph
-
the positive effect on the environment that the kyoto protocol intended…
B. failed because the US did not sign the agreement.
-
select the best evidence to support the statement \the united farm work…
During the 1970s the United Farm Workers of America (UFW) grew and expanded from its early roots as a union for farm workers to also become a national voice for the poor and disen…
-
4. what causes a tsunami? a. displacement of water due to an earthquake…
A. Displacement of water due to an earthquake or volcanic eruption.
-
3. which of the following would be the strongest hurricane according to…
C. Hurricane Camille, Category 5, 1969
-
lo 4.4. what is tidal volume? amount of air inhaled or exhaled during n…
Amount of air inhaled or exhaled during normal breathing
-
when the european union formed, nations began to create one unified edu…
cooperate on law enforcement.
-
lo 4.1. what are the differences between the cardiovascular and respira…
Cardiovascular system transports blood and the Respiratory system transports gases.
-
lo 4.1. what is the function of the cardiovascular system? pumping bloo…
Pumping blood throughout the body.
-
lo 4.3. what is the function of the alveoli? removal of waste products …
Exchange of gases
-
lo 4.4. why is tidal volume important? shows how much air is moving in …
Shows how much air is moving in and out of lungs with each breath
-
most of those russians drafted to fight in world war i were peasants. t…
untrained and unprepared military force.
-
select the best evidence to support the statement \financial incentives…
"A major contributor to increasing U.S. wind power in recent years has been the federal production tax credit."
-
instead of a troika coming to power after lenins death in 1924, what ha…
There was a power struggle between Stalin and Trotsky, and Stalin won.
-
8. to stay in good physical condition you should always eat plain nouri…
plain nourishing foods that make up a balanced diet
-
19. is friction something we always want to reduce? explain.
No, friction is not always something we want to reduce. For example, when we walk, friction between our feet and the ground is necessary for us to move forward. Without this frict…
-
which of the following leaders recaptured jerusalem for islamic forces,…
D. Salah ad - Din
-
5. there are a variety of careers available in the area of athletics (c…
Physical Therapist, Scientist, Coach, Physical Education Teacher
-
what was one main reason khrushchev was replaced as party leader? his r…
His reforms created serious problems.
-
4. at least how much sleep should you get at night? 5 hours 8 hours 11 …
8 hours
-
which author is the best source for a project on renewable energy that …
an engineer who works on the federal government's renewable energy research programs
-
multiple choice 1 point according to the discussion on page 282 of your…
He could gain the title of Byzantine Emperor for himself
-
1. experts tell us that the two main health benefits from physical acti…
a. a higher quality of life, b. longer life spans
-
24 a push or a pull cannot change the motion of an object. a. true b. f…
A. True
-
18. name two types of energy generated by friction and give an example …
- Thermal energy: Rubbing hands together. The friction between the hands causes them to warm up as mechanical energy is converted into thermal energy. - Mechanical energy (sound):…
-
23 the rate of change of position with respect to time. a. speed b. mot…
A. speed
-
22 unbalanced forces acting on an object in motion could cause the obje…
A. True
-
why did singapore secede from malaysia? its primarily chinese populatio…
Its primarily Chinese population was facing threats and conflict from the Malay majority of the country.