1/73
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
Water droplets forming on the inside of a cold windshield is an example of
Condensation
Any astronomical body that revolves around a larger body is called?
a satellite
In chemistry, to be classified as an organic substance, a substance my contain
carbon atoms
Which element does NOT contain any neutrons?
A. Iron
B. Carbon
C. Oxygen
D. Hydrogen
Hydrogen
The chemical formula of a compound describes the elements the compound contains and the
ratio of elements in the compound
What is the symbol for the hydroxyl ion?
OH-
The tympanic membranes are known as the
ear drums
Which of the following actions produce a chemical change?
adding salt to hot water
Choking is prevented by the
epiglottis covering the voice box
Which if the following is a non-renewable resource?
wood
When scientists measure a liquid's resistance to flow, they are measuring the liquid's...?
viscosity
A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft?
50%
Jerry walked a dog from 6:40am to 7:30pm one day. If he was paid at the rate of 6$ per hour, how much did he earn that day?
$5.00
A women is looking for a bigger square office. She finds an office twice the area of her current office. If the perimeter of her current office is 88 feet, how many square feet is the new office?
176 sq ft
If the perimeter of a square garden is 84 feet, what is the area of the garden?
441 sq ft.
How many feet of chain fence are necessary to enclose a dog pen that is square an has an area of 64 square feet?
32 feet
The pet store had six puppies selling for 104 each and twelve kittens selling for 24 each. Today, only two puppies and eight kittens were left. In dollar terms, what was the ratio of sales of puppies to kittens?
13:3
The price of salmon at a fish market is 5.40 per pound. This is 150% its cost at a supermarket. How much would it cost per pound at the supermarket?
$3.60 -----> 5.40/1.50=3.60
A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill as it can go on level ground. If it goes 120 mph downhill, how long will it take to travel 45 miles on flat land?
1/2 hour
speed uphill=120/2=60
speed level=3/2 * uphill=90
speed downhill=120
on flat land, d=45=90*t
t=1/2 hr
Jamie just bought two boxes. The first box is square, with each side measuring 10 units, and is 4 units high. The second box is rectangular and has twice the volume of the square box. If the height of the second box is 5 units, and the width is 10 units, what is the length of the second box?
16 units
There are 9 red and 6 green marbles in a bag. A child reaches in the bag and randomly takes one marble. What is the probability of that child getting a green marble?
1/15 or .66 of a chance
If the population of a certain city increased 25% in two years, the new population was what percent of the old?
125%
A printing press will print 6,000 copies in 20 minutes. A second press can print 15,000 in 60 minutes, How many more copies per minute will the faster press print than the slower press?
3,000
Before being painted, a concrete play area was marked off into squares and then into triangles. For the square shown, what is the area of the triangular part labeled XYZ?
32 square feet
Five people, each working 8 hours a day can assemble 400 toys in a 5 day work week. what is the average number of toys assembled per hour per person?
16 (used choices to determine that 5*16= 80, and 80 toys per day for 5 days= 400)
If a 5-foot post casts an 8-foot shadow at the same time that a nearby tree casts a 48-foot shadow, how tall is the tree?
30 feet
Emphasize most nearly means
accentuate
Inept most nearly means
bungling
Adage most nearly means
proverb
Admonition most nearly means
approval
Embody most nearly means
exemplify
Peruse most nearly means
study
Contentious most nearly means
quarrelsome
Cajole most nearly means
wheedle
Decry most nearly means
disparage
Unpretentious most nearly means
Simple
Construe most nearly means
Interpret
Erratically most nearly means
outrageously
"Devout" most nearly means?
Pious
your heart's mitral valve does an awfully big job. letting blood from the left atrium of the heart into the left ventricle without loosing a drop is one of the toughest tasks in the circulatory system. in fact, if the system was suddenly opened at that point. the force of the valve closing would send blood five feet in the air.
in the passage the author purpose is to:
Convince readers of the stress on the mitral valve
Riding the mail plane is a low-budget way to visit America's largest national park -- Wrangell-St. Elias -- 13 million acres of scenic beauty. Copper first drew prospectors to this part of Alaska. From 1911 to 1938, the Kennicott mine produced 200 million tons of it. Now a mecca for tourist, the town of Kennicott was abandoned to the ghosts when the copper ran out.
According to the passage, which of the following illustrates the correct sequence of events?
copper drew prospectors, copper ran out, town abandoned, tourist attraction
Physicists seek out those features of nature that are simple and universal. The secret of their success is not so much a matter of finding answers as it is asking the right questions. The trick is keeping the questions simple and sticking to universal phenomena. Simple questions can be answered unambiguously by careful observation of repeated experiments and by logical thinking.
Which of the following questions is most clearly an example of the kind discussed in the paragraph?
How fast do stones of particular size fall?
An allergy is a hypersensitivity to substances that are essentially harmless. For as yet poorly understood reasons, the immune system malfunctions and marshals up an army of antibodies to fight these substances. For many allergies, this malfunction causes a large amount of histamine to flood into the bloodstream. It is overabundance of histamine that causes allergic symptoms such as headaches, rashes, and sneezing.
The passage states all of the following about allergies EXCEPT
medical science does not fully understand why the body has an allergic reaction to certain substamce
A period of time is usually measured by comparing it with another period of time. A year on mercury is equal to 88 earth days. A year on Uranus is approximately 384 Mercury years.
According to the passage, the way time is usually measured shows that time is...
relative
According to Mark Twain, October is a particularly dangerous month to speculate in stocks. The others are July, January, September, April, November, May, March, June, December, August, and February.
What is his point?
Speculating in stocks is not a safe investment for your money
Physical sound energy is transmitted through the external ear (the pinna) and the middle ear to the inner ear, where it creates pressure waves in the fluid of the cochlea. There, has on the organ of Corti are moved by the pressure waves. The movement of the hairs starts the process by which nerve impulses are generated.
Where is the organ of Corti located?
in the inner ear
The Women's Flying Training Detachment was the brainchild of Jacqueline Cochran, the famous flyer. Because of the overwhelming demand for qualified men to fly in combat during WWII, she was able to persuade the Army to train women pilots to ferry military aircraft from manufacturers to embarkation points for later shipment overseas.
The author implies that the primary motivation for establishing a training program for women pilots during WW II was the.
roosevelt made conscious use of the media almost from the moment he entered the white house. His press conferences served to educate newspaper writers, through them the nation, about the complex, novel measures he was advocating.
It can be inferred from the passage that Roosevelt..
Hypotenuse of a right triangle has a length of 14 units and a side that is 9 units long. What equation can be used to find the length?
x^2 = 14^2 + 9^2
What does the abbreviation AC stand for?
Alternating current
In making permanent electronic connections use
A soldering iron
which of the following cannot be used to store an electrical charge
fuse
In order to make an electric current flow, it is necessary to habe
An ammeter
Smallest in size to amplify electric signals
Relay
Home appliances and power tools are made safer by?
3-wire cords and plugs
Wires are joined together with solder to ensure...
Minimum resistance
Catalytic converter is part of what system?
Emissions control system
MacPherson struts are a type of
Suspension
What engine component stores oil for lubrication?
Oil Pan
Brake shoes stop a car by putting pressure on the?
tires
What are the tools that have a space in between the middle?
Hack saw
Pistons are usually made form what material?
Aluminium
What is the proper order of tightening wheel lug nuts?
A-D-B-E-C
Which of the following should you use to lift a car so you can change a tire?
hydraulic jack
Which of the following uses a penny system to specify its size?
finishing nail
Mechanical or hydraulic devices that regulate speed of a machine are called?
Governors
Which is a natural wood defect?
knots
An Anvil is typically used to....
Shape hot metal
Which of the following is not like the others?
A. file
B. wrench
C. grinder
D. oilstone
wrench
In terms of function, which one of the following is NOT related to the others?
A. box wrench
B. tin snips
C. shears
D. saw
box wrench
Which of the following would you find in an advertisement for a "C" Clamp?
What would you tell the person who is trying to loosen the rusty nut with the wrench?
move your hand further from the nut
Is it true that frictional forces
always opposes forces producing motion
A car stops suddenly. Why are the passengers thrown forward against their seat belts?
the inertia of each passenger